{"title":"Sennheiser Over-Ear Headphones","description":"","products":[{"product_id":"sennheiser-hd-660s2-over-ear-open-air-dynamic-headphones","title":"Sennheiser HD 660S2 Over Ear Open Air Dynamic Headphones","description":"\u003ch2\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003e\u003cstrong\u003eSennheiser HD 660 S2 Open Air Dynamic Audiophile-Grade Hi-Fi Stereo Headphones - Sennheiser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eEnjoy your music on a completely new level. An intimate, relaxed sound signature combines with outstanding precision and exceptional comfort — and now, extended sub bass — for a deeply moving experience.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eExtended sub bass\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eNatural, warm sound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eComfortable open-back design\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003eYour new desert island headphone\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eEvery high-end headphone has its own unique personality. What if you could only own one?\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cbr\u003eEver felt goosebumps from sound so real, it was as if the source was in the room with you? The non-fatiguing HD 660S2 gives people who love music an intimate way to connect more deeply with their favorite songs and artists. Breathtaking resolution and precision take you closer than ever to instruments and vocalists. Yet the sound is natural and balanced, never harsh or brash.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cbr\u003eThis warm, inviting signature combined with extended sub bass makes listening uniquely pleasant and rewarding. And with comfort this good, it practically begs you to keep going for endless sessions. That’s how HD 660S2 combines the best of many worlds to give you an intimate experience you won’t want to live without.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003e\u003cbr\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eUniquely powerful vented magnet system for minimized distortion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eIntimate sound with great timbre and deep, accurate sub bass\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eOutstanding quality designed in Germany, made in Ireland\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eUltra-light aluminum voice coil with 300-ohm impedance for excellent impulse response\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003ePlush ear cushions and open design for maximum comfort\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eTransducer principle: dynamic, open\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eTransducer size: 38 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eFrequency response: 8 – 41,500 Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eImpedance: 300 Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eSound pressure level (SPL): 104 dB (1 kHz, 1 Vrms)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eTotal harmonic distortion (THD): \u0026lt;0.04% (1 kHz, 100 dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eEar coupling: Over-Ear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eWeight: 260g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eAdapter: 6.3 mm (1⁄4 inch) to 3.5 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eConnector: 6.3 mm (1⁄4 inch) jack plug, 4.4 mm balanced plug\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eCable length: 1.8m\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eCountry of origin: Ireland\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eMagnetic field: 4.5mT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eMPN: 700240\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eUPC: 810091270370\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003eWhat’s in the box\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eHD 660S2 headphones\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003e6.3 mm cable (1.8 m)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003e4.4 mm cable (1.8 m)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003e6.3 mm to 3.5 mm adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003ecarry pouch\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003e\u003cstrong\u003e\u003cspan id=\"docs-internal-guid-5a401363-7fff-4c98-638a-f456b649f4fc\"\u003eAudiolab Stereo \u0026amp; Video Center\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":51813244830062,"sku":"SENHD660S2","price":679.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/SENHD660S2.jpg?v=1738872829"},{"product_id":"sennheiser-hd-600-audiophile-grade-hi-fi-professional-stereo-headphones","title":"Sennheiser HD 600 Audiophile-Grade Hi-Fi Professional Stereo Headphones","description":"\u003ch2\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003eSennheiser HD 600 Audiophile-Grade Hi-Fi Professional Stereo Headphones - Sennheiser\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003eEngineered for absolute clarity\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eThe HD 600 is the audio purist’s choice for reference playback. An instrument of Sennheiser’s passion for perfect sound, it is globally recognized as the standard for analytical high-fidelity listening - even 20-plus years after its release.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eX-Ray Specs\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eThe HD 600 was developed to give audiophiles an impartial scale of everything before it in the audio chain.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cbr\u003ePurpose-built to vanish when the listener presses “play”, the HD 600 is the benchmark reference headphone for both analyzing and enjoying your hi-fi setup. This disappearing act starts with an innovative, systematic approach to sound reproduction using transparency as the driving principle. Leveraging Sennheiser’s progressive production techniques and computer-based transducer optimization, it perfectly fuses the art of sound with the science of it.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eOpening Up Your Mind\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eThe foundation of the HD 600 transducer system is an acoustically transparent open-back earcup that lets every single sound wave expand freely - a Sennheiser innovation pioneered and perfected for the most natural personal listening experience.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cbr\u003eSound emanating from our exclusive 42mm driver is free from turbulence and distortion thanks to a specialized acoustic silk that controls airflow—one of the finest materials available for this task—while requiring hand assembly. By using ultralight aluminum voice coils, the 38mm diaphragm exhibits rapid rest and response times for clinical detail that never sounds harsh or hyped. \u003cbr\u003e\u003cbr\u003eAcross the entire audible spectrum of sound, this combination of driver size and integrity delivers an articulate response that is honest to the source—the kind of listening experience required to absorb the details with confidence. The 300-ohm impedance of the HD 600 presents a unified backdrop that allows the nuances in your music collection to leap forward like you have never heard before. Each transducer is measured against rigid standards for consistent performance across the entire frequency spectrum in both channels. By reducing variances between left and right channels, the headphone reproduces mastering-grade sound independent of room acoustics or loudspeaker positioning.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eQuality Control\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eSennheiser worked tirelessly to build a headphone with the luxurious comfort and lasting durability audiophiles demand.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eThe velour HD 600 padding is supple to the touch for extended listening at your hi-fi stack. Even the earcup grille pattern was crafted specifically for this transducer system, guaranteeing a pristine personal sound experience. The HD 600 is assembled in Ireland at a state-of-the-art production facility with the attention to detail required to handle a wide variety of acoustic materials. Our production tolerances are extremely tight, ensuring that your HD 600 experience is consistent with those all over the globe, whenever or wherever it was purchased. For example, the resonators feature stainless steel mesh to guarantee uniform performance after manufacturing. Most parts on the HD 600 are modular, making it a dream to keep operational as the go-to reference headphones regardless of your listening space’s acoustics.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eIt’s All About Connection\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eYour HD 600 comes with a detachable, impedance-matched cable with ultra-low capacitance.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cbr\u003eThe ¼-inch \/ 6.3mm stereo connector offers the audiophile-standard plug for connection to devices such as headphone amplifiers and A\/V receivers, digital audio players, analog gear, and more. At 9.8 feet \/ 3m long, it offers unencumbered listening on gear deep within your shelves or in a favorite listening chair. A premium adapter is included to reduce the 6.3mm to 3.5mm \/ ⅛-inch for plugging into countless other audio devices.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eSpecifications\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eArticle number (SKU): 508824\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eFrequency response (speaker): 12 Hz - 40,500 Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eSound pressure level (SPL): 97 dB (1 V)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eImpedance: 300 Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eTotal harmonic distortion (THD): \u0026lt; 0,1 % (1 kHz, 1 V)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eCable length: 3 m\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eAdapter: 3.5 mm stereo jack plug\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eTransducer principle: dynamic, open\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eWeight: 260 g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eConnector: 3.5 mm stereo jack plug\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eEar coupling: circumaural\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eMagnetic field: 1.8 mT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eUPC: 615104340503\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eEAN: 4044155249569\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003eAudiolab Stereo \u0026amp; Video Center\u003c\/span\u003e\u003c\/h3\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":51813253906798,"sku":"SENHD600","price":499.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/SENHD600.jpg?v=1738872951"},{"product_id":"sennheiser-hd-820-closed-back-audiophile-headphones","title":"Sennheiser HD 820 Closed-back Audiophile Headphones","description":"\u003ch2\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003eSennheiser HD 820 Closed-back Audiophile Headphones - Sennheiser\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eSennheiser HD 820 headphones are the perfect blend of innovation, quality, and design. With its high resolution audio these closed-back headphones offer an immersive audio experience. An updated, fresh new look, and an even more natural sound that reveals the absolute finest of music details. The critics said closed headphones could never sound as immersive as their open-air counterparts. They said physics would never allow it. To that we simply said, “listen”. The HD 820 combines an innovative glass reflector and ring radiator transducer technology for a benchmark listening experience.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003e\u003cbr\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eThe HD 820 fuses our cutting-edge transducer capabilities with exceptional ambient noise attenuation, transcending the perceived limits of closed headphones. The HD 820 sacrifices neither detail nor sound field thanks to its innovative acoustical systems in a closed, dynamic headphone. The headphone’s vibration-damping chassis and inert headband insert provide complete stability, resulting in astonishing speed and accuracy throughout the entire frequency spectrum.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cbr\u003eThe 56mm ring radiator found in the HD 820 leverages the key benefit of a large diaphragm transducer air displacement without losing the rigidity that favorably impacts rest and response times. Instead of a single attachment on the outer circumference of the transducer, both outer and inner edges of the 'ring' are secured to the drive unit. The voice coil vibrates the diaphragm, connected to the V-shaped groove found near the center of the ring.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eThe HD 820 delivers on long-term wearing comfort too, providing a listening experience as plush as it is immersive. Every contact point utilizes ultra-soft padding, while purpose-built composites reduce weight and unwanted pressure. Each earcup provides dual-axis articulation that instantly and effortlessly conforms to your head’s unique structure. The result is a listening session that never gets in the way of your passion for hi-fidelity sound reproduction.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cbr\u003eThis is the first sealed-back model in Sennheiser's legendary HD 800 series, and the company went all out. The earcups are sealed with concave, heavy-duty glass covers that show off the drivers and help absorb unwanted vibrations. The result? Transparent, spacious sound like you'd expect from an open-back headphone, but with the insulated listening experience of a closed-back design.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cbr\u003eAs a centerpiece of your constantly evolving rig, your go-to headphones should offer the versatility to listen on your terms. Your HD 820 comes with a versatile set of essential cables, each one impedance-matched with ultra-low capacitance. The ¼-inch \/ 6.3mm stereo connector offers the audiophile-standard plug for connection to devices such as headphone amplifiers, DACs, and A\/V receivers. A balanced 4.4mm connector opens a pathway to a newer generation of balanced output devices (headphone amplifiers, digital audio players, etc.) that embrace this compact plug’s superior stability over time. An optional XLR-4 balanced cable is available, providing yet another popular connection to a wide range of audio components. Each cable is 9.8ft \/ 3m long to accommodate unencumbered listening from devices anywhere on your shelves, in your studio, or on your desktop.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003e\u003cbr\u003eProduct details:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eover-the-ear, closed-back design for spacious sound with tight, solid bass\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003elarge 56mm drivers produce natural, lifelike sound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003ering radiator transducers smooth out airflow for better dynamics\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003edrivers direct sound waves to the ear at a 45° angle for a more natural listening experience\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003emetal headband with layers of material to dampen vibrations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003ematte black finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003ethick, handcrafted ear pads with soft microfiber fabric\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003etwo oxygen-free cables:\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eshielded cable with unbalanced 1\/4\" stereo plug\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003especially tuned cable with balanced 4.4mm headphone plug (for compatible headphone amps)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003efrequency response: 6-48,000 Hz (-10 dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eimpedance: 300 ohms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003etotal harmonic distortion: less than .02% at 1Khz\/1Vrms\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003eWhat to expect in the box: \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eOver-ear headphones\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e11.33' Unbalanced audio cable (1\/4\" plug)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e11.33\" Balanced audio cable (4.4mm Pentacomm plug)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eCleaning cloth\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eWooden storage box\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eUSB drive with manual and frequency response curve)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eInstructions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003eAudiolab Stereo \u0026amp; Video Center\u003c\/span\u003e\u003c\/h3\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":51813332025710,"sku":"SENHD820","price":2199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/12_inch_template.jpg?v=1738877906"},{"product_id":"sennheiser-momentum-4-wireless-headphones-with-adaptive-noise-cancellation","title":"Sennheiser MOMENTUM 4 Wireless Headphones with Adaptive Noise Cancellation","description":"\u003ch2\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003eSennheiser MOMENTUM 4 Wireless Headphones with Adaptive Noise Cancellation - Sennheiser\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eIntroducing the MOMENTUM 4 Wireless headphones - inspired by music and designed for the ultimate listening experience. With Sennheiser's Signature Sound, Adaptive Noise Cancellation, Transparency Mode, and customized sound, you can top-quality performance. These headphones also feature up to 60-hour of battery life, premium comfort, and smart features for uninterrupted listening pleasure.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eExperience the ultimate musical experience with the MOMENTUM 4 Wireless headphones. Their 1.6\" transducer system provides superior sound quality, with exceptional dynamics, clarity and musicality. The built-in EQ, presets, sound modes, and sound personalization feature make it possible for you to create the perfect sound that suits your taste and preference.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eEnjoy the best of both worlds with MOMENTUM 4. With just a touch, you can switch from full immersion to situational awareness. Thanks to Sennheiser's next-generation Adaptive Noise Cancellation technology, you can stay fully immersed in your music or movie without any disturbance from surrounding noises. But if you need to be aware of your surroundings, simply activate the versatile Transparency Mode with a touch.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eFeaturing an incredible 60-hour battery life, MOMENTUM 4 Wireless headphones allow you to enjoy uninterrupted listening pleasure. Whether you're flying across the globe or heading to the gym, you can keep on listening without worrying about running out of battery, and if you're in a hurry, a quick 10-minute charge provides an additional six hours of playback time. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eSennheiser's latest MOMENTUM 4 wireless noise-canceling over-ear headphones have undergone significant changes, both in terms of design and performance. The headphones have been given an industrial design makeover, with lightweight yet durable materials and soft ear pads that provide a relaxed-fit to users. The headband is smooth and soft on the inside and features a designer fabric on the outside, providing a touch of retro charm. The headphones also offer touch controls, stronger noise cancellation, and up to 60 hours of extended battery life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e Sennheiser has always been ahead of the curve when it comes to noise cancellation, and the MOMENTUM 4s are no exception. With newer processing and circuitry, and four built-in microphones, the headphones can better read external sounds and distractions and adjust the amount of noise cancellation in real-time. The headphones' 1.6\" drivers deliver smooth, well-balanced tuning with impactful bass, detailed highs, and a relaxed midrange that matches the headphones' effortless fit and feel. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eThe MOMENTUM 4 Wireless headphones offer Bluetooth 5.2, the latest and most reliable version of Bluetooth available. They also come with aptX® Adaptive technology that can detect competing Bluetooth signals in an area and optimize either reliability or sound quality accordingly. The technology can also sense when users are watching a video on a platform like Netflix or YouTube and keep latency low, ensuring audio and video are in sync. With touch control over noise cancellation, music, volume, and calls, and a built-in mic that provides clear and crisp sound even in noisy areas, the MOMEMTUM 4 are a top-of-the-line choice for users looking for high-quality wireless audio.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003eProduct details:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eHeadband stereo over-ear headphones\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eClosed-back Design\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e1 10\/16\" Dynamic Drivers \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eHybrid Adaptive Active Noise Cancellation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eFrequency response: 6 - 22,000 Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eSensitivity: 106 dB (1 mW \/ 1 kHz)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eImpedance: 470 ohms (active); 60 ohms (passive)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e2-mic per side, beamforming for noise reduction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"Table_label__APnUg medium\"\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eMicrophone Frequency response: 50 - 10,000 kHz\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eWeight: 10.45 ounces\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eWarranty: 2 years\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003eWhat to expect in the box: \u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\" class=\"label\"\u003eMOMENTUM 4 headphone\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\" class=\"label\"\u003eCarry case\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\" class=\"label\"\u003e49\" USB-C charging cable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\" class=\"label\"\u003e49\" Audio cable 3.5mm and 2.5mm jacks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\" class=\"label\"\u003eAirplane adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eQuick Guide, Smart Control info and Safety Instructions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003eAudiolab Stereo \u0026amp; Video Center\u003c\/span\u003e\u003c\/h3\u003e","brand":"Sennheiser","offers":[{"title":"Black","offer_id":51813332943214,"sku":"SENMOM400BLK","price":299.95,"currency_code":"USD","in_stock":true},{"title":"Graphite","offer_id":51813332975982,"sku":"SENMOM400GRAP","price":299.95,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":51813333008750,"sku":"SENMOM400WHT","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/black-min.jpg?v=1738878207"},{"product_id":"sennheiser-hd-620s-closed-back-wired-audiophile-headphones","title":"Sennheiser HD 620S Closed-Back Wired Audiophile Headphones","description":"\u003ch2\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003e\u003cstrong\u003eSennheiser HD 620S Closed-Back Wired Audiophile Headphones - Sennheiser\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eWho says closed-back headphones can’t sound that open? Featuring a remarkably open baffle and angled transducers, the HD 620S replicates the spatial imaging of loudspeakers while keeping listening sessions secluded.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eEnjoy undisturbed privacy while listening to exceptional open, natural sound.\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eWish your surroundings were more suitable for enjoying long listening sessions? Well, now you no longer have to trade an impressive soundstage for privacy. The HD 620S lets you experience detailed, spacious sound like never before in closed-back headphones. The stainless-steel reinforced ear cup covers not only add timeless appeal to this masterpiece; they also provide a private listening session regardless of your surroundings. So if you’re more into sofa concerts than kitchen talks, the new HD 620S offers you a distraction-free listening experience with true-to-life vocals, letting you relive spectacular live moments without compromising on natural, airy sound.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eOpen sound in a closed-back design.\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eYou might think that’s impossible. Think again. The HD 620S combines the DNA of the HD 600 and 500 series, bringing the best of both headphone families to a closed chassis. Sennheiser’s HD 600 series has long been the standard for natural tone, thanks to our dedication to continuously improving the open-back concept. The 500 series introduced later offers a soundstage that immerses listeners in their music. The distinctive DNA combination of these two series lets the HD 620 excel where many closed headphones struggle, preserving the detailed, smooth sound the 600 series is known for. \u003cbr\u003e\u003cbr\u003eOur reference-grade 42 mm angled transducers with 38 mm diaphragm and ultra-light 150-ohm aluminum voice coil deliver exceptional impulse response, expanding the stereo image to an almost panoramic soundstage.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eThat’s not only uniquely rare for a closed-back design; it will switch your understanding of closed-back headphone sound.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eNo matter whether all day, all week or all year.\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eThe HD 620S not only offers timeless design, but also timeless function and comfort. So your mind can focus on other things than high-maintenance headphones. The HD 620S chassis is lightweight yet familiar, bolstered by premium touches that will deliver its unique acoustic signature for years to come. The robust, steel-reinforced headband sliders and ear cup covers add timeless appeal and long-term durability to a silhouette sculpted for all-day wearing comfort. Spacious ear cup covers and the supple ear pads made from artificial leather not only offer superb acoustic isolation, but also add a comfortable touch thanks to internal venting.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eYour passion knows no boundaries. Why should your headphones?\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eWho doesn’t sometimes want to just switch off and become immersed in their own world undisturbed, away from roommates or family? With the HD 620S, you can stay in the same room without compromising on privacy. Even better: without compromising on natural, expansive sound. Imagine hearing every nuance from every direction without any disturbance. No matter if you love gaming, amateur music production, or simply listening to exceptionally good audio, the HD 620S takes your passion to the next level and boosts your emotional experience. So, if you’re looking for spatial awareness and extraordinary detail retrieval, there’s no need to wait. It’s your time to switch to the new HD 620S.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eWhat to expect in the box:\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eHD 620S closed-back headphones\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e1.8 m cable with 3.5 mm plug\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e3.5 to 6.3 mm adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003eProduct Details:\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eClosed-back headphones with steel-reinforced ear cup covers for distraction-free listening sessions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eReference-grade 42 mm angled transducers with 38 mm diaphragm deliver speaker-like imaging with natural detail retrieval and expansive soundstage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eUltra-light 150-ohm aluminum voice coil for enhanced clarity and accuracy in audio reproduction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eLightweight chassis with steel-reinforced headband sliders and artificial leather earpads with internal venting for long-term durability and all-day comfort\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eArticle number (SKU) HD 620S: 700401\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eCable length: 1.8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eEar coupling: Around ear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eEar pad material: Artificial leather on Polyurethane basis\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eFrequency response: 6 Hz - 30 kHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eNominal impedance: 150 Ohm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003ePackage dimensions: 9.33 x 7.52 x 3.78 inches (LxBxH)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003ePackage weight: 1.48\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eSound pressure level (SPL): 110 dB \/ 1 V RMS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eStorage temperature: -15°C to 65°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eTHD, total harmonic distortion: \u0026lt;0,05 % (1kHz\/90 db SPL)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eTransducer principle (headphones): dynamic, closed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eUPC: 8100912728\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003e\u003cstrong\u003eAudiolab Stereo \u0026amp; Video Center\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":51813335433582,"sku":"SENHD620S","price":399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/sennheiser-hd-620s-headphones.jpg?v=1738878426"},{"product_id":"sennheiser-hd-800-s-dynamic-open-back-stereo-headphones","title":"Sennheiser HD 800 S Dynamic Open-Back Stereo Headphones","description":"\u003ch2\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003eSennheiser HD 800 S Dynamic Open-Back Stereo Headphones - Sennheiser\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"overview-body col-12\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-12\"\u003e\n\u003ch4\u003eNew take on a timeless classic\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003eHD 800 over-the-ear headphones\u003cspan\u003e \u003c\/span\u003ehave been Sennheiser's flagship model for over half a decade. A fresh new look and an even more natural sound that reveals the absolute finest of music details... a new Sennheiser flagship.\u003c\/p\u003e\n\u003ch4\u003eUpdated drivers for optimal clarity\u003c\/h4\u003e\n\u003cp\u003eRather than reinvent the wheel, these open-back 'phones use much of the shape and design of the original, including the unique positioning of the drivers. Sound waves are sent to your ears at a 45° angle, creating a spatial, three-dimensional effect. The 56mm sound transducers — the largest found in any dynamic driver headphones — are also a pretty good starting point. Air moves freely, and rather than \"between the ears\" sound, your music surrounds you like a set of speakers.\u003c\/p\u003e\n\u003cp\u003eTo further fine-tune the sound in HD 800 S, Sennheiser used an innovative driver absorber technology. The acoustical absorber reduces distortion for smoother highs and more nuanced bass. It prevents sharp treble peaks and loud bass from overtaking more subtle sounds, making your tunes sound crystal-clear and true to the recording.\u003c\/p\u003e\n\u003ch4\u003eBuilt with care, from the finest materials\u003c\/h4\u003e\n\u003cp class=\"clearfix\"\u003eSennheiser assembles the HD 800 S headphones at their German headquarters with some of the same strong, lightweight materials used to make aircrafts. The drivers are protected by stainless steel, and the headband uses layers of metal and plastic to help dampen vibration. Earcups are oversized, but the weight is distributed so they feel light. And plush, microfiber earpads ensure the fit is first class.\u003c\/p\u003e\n\u003ch4\u003eTwo high-quality cables included\u003c\/h4\u003e\n\u003cp\u003eAnother new addition to the HD 800 S is a cable terminated by a balanced 4.4mm connector, for optimum performance with a headphone amplifier like\u003cspan\u003e \u003c\/span\u003eSennheiser's HDV 820. You also get a cable terminated by a standard full-size 1\/4\" plug like the one included in the original HD 800. Both have oxygen-free copper center conductors for accurate signal transmission without interference.\u003c\/p\u003e\n\u003cp\u003eThe Sennheiser HD 800 S headphones need the power of a\u003cspan\u003e \u003c\/span\u003eheadphone amplifier\u003cspan\u003e \u003c\/span\u003eto reach their full — incredibly high — potential.\u003c\/p\u003e\n\n  \u003ch4\u003eProduct highlights:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eover-the-ear, open-back design for spacious sound and reduced vibration\u003c\/li\u003e\n\u003cli\u003ehigh-definition dynamic drivers produce natural, lifelike sound\n\u003cul\u003e\n\u003cli\u003eacoustic absorber technology reduces harsh frequency extremes for smoother highs and detailed low end\u003c\/li\u003e\n\u003cli\u003e56mm sound transducers create a large soundstage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003ea separate\u003cspan\u003e \u003c\/span\u003eheadphone amplifier\u003cspan\u003e \u003c\/span\u003eis required to properly power these headphones for optimum sound quality\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003edesigned in Germany, made at Sennheiser's \"audiophile center of excellence\" facility in Ireland\u003c\/li\u003e\n\u003cli\u003edrivers direct sound waves to the ear at a 45° angle for a more natural listening experience\u003c\/li\u003e\n\u003cli\u003ematte black finish\u003c\/li\u003e\n\u003cli\u003emetal headband with layers of plastic to dampen vibrations\u003c\/li\u003e\n\u003cli\u003eearcups padded with soft, durable microfiber fabric\u003c\/li\u003e\n\u003cli\u003etwo oxygen-free cables:\n\u003cul\u003e\n\u003cli\u003e11.5-foot shielded cable with 1\/4\" stereo plug\u003c\/li\u003e\n\u003cli\u003e11.25-foot cable with 4.4mm balanced plug (for use with compatible headphone amplifiers)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003efrequency response: 4-51,000 Hz (-10 dB)\u003c\/li\u003e\n\u003cli\u003eimpedance: 300 ohms\u003c\/li\u003e\n\u003cli\u003etotal harmonic distortion: less than .02% at 1Khz\/1Vrms\u003c\/li\u003e\n\u003cli\u003ewarranty: 2 years\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMFR # 506911\u003c\/li\u003e\n\u003cli\u003eItem # 143HD800S\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-12 col-lg-5\"\u003e\n\u003cdiv class=\"js-scoreCardContainer\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"whats-in-the-box\"\u003e\n\u003cdiv class=\"sideBlock js-fitFactorTracking\"\u003e\n\u003cdiv class=\"fit-factors-box\"\u003e\n\u003ch4\u003eFit Factors\u003c\/h4\u003e\n\u003cdiv class=\"fit-factors-inner\"\u003e\n\u003cul\u003e\n\u003cli\u003eRelaxed fit\u003c\/li\u003e\n\u003cli\u003eFirm padding (earcups)\u003c\/li\u003e\n\u003cli\u003eGood for focused listening\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"whatsInTheBox sideBlock\"\u003e\n\u003ch4\u003eWhat's in the box:\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eOver-the-ear audiophile headphones\u003c\/li\u003e\n\u003cli\u003e11.5' Cable with 1\/4\" plug (attached)\u003c\/li\u003e\n\u003cli\u003e11.25' Balanced cable with 4.4mm balanced plug\u003c\/li\u003e\n\u003cli\u003eCloth bag\u003c\/li\u003e\n\u003cli\u003eInstruction Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003eAudiolab Stereo \u0026amp; Video Center\u003c\/span\u003e\u003c\/h3\u003e\n\n\n\n","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":52069168480622,"sku":"SENHD800S","price":1999.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/HD800Smain.jpg?v=1747321891"},{"product_id":"sennheiser-hd-650-over-ear-headphones","title":"Sennheiser HD 650 Over-Ear Headphones","description":"\u003c!-- ======================================================\n     Sennheiser HD 650 Over-Ear Headphones — AL (bh-*) HTML\n     Two-Column Layout (Overview left \/ Specifications right)\n     Long-tail keyword used 5×: “Sennheiser HD 650 Over-Ear Headphones”\n     ====================================================== --\u003e\n\u003cstyle\u003e\n  .bh-wrap{max-width:1100px;margin:0 auto;padding:1rem 1.25rem;line-height:1.6}\n  .bh-eyebrow{letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;opacity:.7}\n  .bh-title{font-size:3rem;margin:.25rem 0 1rem}\n  .bh-sub{font-style:italic;margin:0 0 1.25rem}\n  .bh-grid{display:grid;gap:1.25rem}\n  @media(min-width:900px){.bh-grid{grid-template-columns:1.3fr .7fr;align-items:start}}\n  .bh-section{margin:2rem 0}\n  .bh-bullets{list-style:disc;padding-left:1.25rem;margin:.5rem 0 0}\n  .bh-specs{width:100%;border-collapse:collapse}\n  .bh-specs th,.bh-specs td{border:1px solid #e5e7eb;padding:.65rem;vertical-align:top}\n  .bh-specs th{width:42%;background:#f8fafc;text-align:left}\n  .bh-badge{display:inline-block;border:1px solid #e5e7eb;border-radius:999px;padding:.2rem .6rem;margin:.15rem .3rem 0 0;font-size:.85rem}\n  .bh-badges{margin-top:.5rem}\n  .bh-faq details{border:1px solid #e5e7eb;border-radius:.5rem;padding:0.75rem 1rem;margin:.5rem 0;background:#fafafa}\n  .bh-faq summary{font-weight:600;cursor:pointer}\n  .bh-note{font-size:.95rem;opacity:.9}\n  .bh-condition{display:inline-block;border:1px solid #e5e7eb;border-radius:999px;padding:.3rem .75rem;margin:.5rem 0 0;font-size:.85rem;background:#fafafa}\n\u003c\/style\u003e\n\n\u003cdiv class=\"bh-wrap\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\n  \u003cspan class=\"bh-eyebrow\"\u003eSENNHEISER\u003c\/span\u003e\n  \u003ch1 class=\"bh-title\" itemprop=\"name\"\u003eSennheiser HD 650 Over-Ear Headphones\u003c\/h1\u003e\n  \u003cp class=\"bh-sub\"\u003eOpen-back dynamic audiophile headphones • 300 Ω impedance • 10Hz–41,000Hz response • 103 dB (1 V) SPL • 3 m detachable cable • circumaural fit\u003c\/p\u003e\n  \u003cdiv class=\"bh-condition\"\u003eOpen-Back Audiophile Design\u003c\/div\u003e\n\n  \u003cdiv class=\"bh-grid\"\u003e\n    \u003c!-- LEFT COLUMN --\u003e\n    \u003cdiv\u003e\n      \u003csection id=\"overview\" class=\"bh-section\"\u003e\n        \u003ch2\u003eMeet the HD 650\u003c\/h2\u003e\n        \u003cp itemprop=\"description\"\u003eThe \u003cstrong\u003eSennheiser HD 650 Over-Ear Headphones\u003c\/strong\u003e are a long-standing reference point for listeners who value tonal accuracy, low listening fatigue, and a deeply natural presentation. Their open-back dynamic design creates an expansive, breathable soundstage, while the 300-ohm impedance and refined driver tuning make them especially rewarding when paired with quality desktop headphone amplifiers, dedicated DAC\/amp systems, and serious two-channel sources.\u003c\/p\u003e\n        \u003cdiv class=\"bh-badges\"\u003e\n          \u003cspan class=\"bh-badge\"\u003eOpen-Back\u003c\/span\u003e\n          \u003cspan class=\"bh-badge\"\u003e300 Ω\u003c\/span\u003e\n          \u003cspan class=\"bh-badge\"\u003eDynamic Driver\u003c\/span\u003e\n          \u003cspan class=\"bh-badge\"\u003eCircumaural Fit\u003c\/span\u003e\n          \u003cspan class=\"bh-badge\"\u003eDetachable 3 m Cable\u003c\/span\u003e\n        \u003c\/div\u003e\n        \u003cp class=\"bh-note\"\u003eFor critical listening at home, this model remains a benchmark for warmth, texture, and long-session comfort.\u003c\/p\u003e\n      \u003c\/section\u003e\n\n      \u003csection id=\"highlights\" class=\"bh-section\"\u003e\n        \u003ch2\u003eHighlights \u0026amp; Benefits\u003c\/h2\u003e\n        \u003cul class=\"bh-bullets\"\u003e\n          \u003cli\u003e\n\u003cstrong\u003eReference-caliber open-back tuning\u003c\/strong\u003e — designed for spacious imaging, natural midrange presence, and a relaxed yet revealing overall balance.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eHigh-impedance audiophile load\u003c\/strong\u003e — the 300 Ω design makes these an excellent match for quality headphone amplifiers, where they can show their full dynamic nuance and control.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eLow distortion performance\u003c\/strong\u003e — rated at less than 0.05% THD at 1kHz \/ 1 V for clean, composed playback.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eLong-session comfort\u003c\/strong\u003e — the circumaural over-ear construction is built for extended listening with a more immersive, less intrusive fit.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eSerious cable and connector package\u003c\/strong\u003e — a detachable 3 m cable with 6.35 mm plug and included 3.5 mm adapter supports broad compatibility with home and portable sources.\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eEnduring audiophile value\u003c\/strong\u003e — the \u003cstrong\u003eSennheiser HD 650 Over-Ear Headphones\u003c\/strong\u003e remain one of the most respected choices for music-first listening in a dedicated home setup.\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/section\u003e\n\n      \u003csection id=\"technology\" class=\"bh-section\"\u003e\n        \u003ch2\u003eTechnology \u0026amp; Design\u003c\/h2\u003e\n        \u003cp\u003e\u003cstrong\u003eDynamic open transducer design\u003c\/strong\u003e — this model uses an open dynamic architecture to create a more speaker-like sense of air, dimensionality, and tonal openness than closed-back alternatives typically provide.\u003c\/p\u003e\n        \u003cp\u003e\u003cstrong\u003eAudiophile-oriented impedance\u003c\/strong\u003e — with a 300 Ω load, these headphones are designed to benefit from properly matched amplification, rewarding better sources with stronger control, refinement, and scale.\u003c\/p\u003e\n        \u003cp\u003e\u003cstrong\u003eCircumaural comfort and focus\u003c\/strong\u003e — the over-ear design helps create a stable listening seal around the ears while supporting long, distraction-free sessions.\u003c\/p\u003e\n        \u003cp class=\"bh-note\"\u003eIn a carefully assembled desktop or two-channel headphone system, the \u003cstrong\u003eSennheiser HD 650 Over-Ear Headphones\u003c\/strong\u003e deliver a mature, natural, and highly engaging presentation that continues to define the category.\u003c\/p\u003e\n      \u003c\/section\u003e\n\n      \u003csection id=\"faq\" class=\"bh-section bh-faq\"\u003e\n        \u003ch2\u003eFAQ — HD 650\u003c\/h2\u003e\n        \u003cdetails\u003e\n          \u003csummary\u003eAre these open-back or closed-back headphones?\u003c\/summary\u003e\n          \u003cp\u003eThey use an open-back dynamic design, which helps create a more spacious and natural presentation but also allows sound to pass in and out more freely than a closed model.\u003c\/p\u003e\n        \u003c\/details\u003e\n        \u003cdetails\u003e\n          \u003csummary\u003eDo they need a headphone amplifier?\u003c\/summary\u003e\n          \u003cp\u003eBecause they have a 300 Ω impedance, they perform best with a capable headphone amplifier or a strong desktop source.\u003c\/p\u003e\n        \u003c\/details\u003e\n        \u003cdetails\u003e\n          \u003csummary\u003eWhat kind of connection do they use?\u003c\/summary\u003e\n          \u003cp\u003eThey include a detachable 3 m cable terminated in a 6.35 mm stereo plug, along with a 3.5 mm adapter for wider device compatibility.\u003c\/p\u003e\n        \u003c\/details\u003e\n        \u003cdetails\u003e\n          \u003csummary\u003eAre they suitable for long listening sessions?\u003c\/summary\u003e\n          \u003cp\u003eYes. Their circumaural over-ear design and balanced tuning make them especially well suited to extended music listening at home.\u003c\/p\u003e\n        \u003c\/details\u003e\n        \u003cdetails\u003e\n          \u003csummary\u003eWho are they best for?\u003c\/summary\u003e\n          \u003cp\u003eThey are ideal for listeners who prioritize musical realism, tonal balance, and a refined home headphone setup over isolation or portable convenience.\u003c\/p\u003e\n        \u003c\/details\u003e\n      \u003c\/section\u003e\n\n      \u003csection id=\"why-buy\" class=\"bh-section\"\u003e\n        \u003ch2\u003eWhy Buy From Us\u003c\/h2\u003e\n        \u003cul class=\"bh-bullets\"\u003e\n          \u003cli\u003eGuidance on matching high-impedance headphones with the right amp, DAC, or integrated system\u003c\/li\u003e\n          \u003cli\u003eExpert advice for building a serious personal listening setup around home audio sources\u003c\/li\u003e\n          \u003cli\u003eSupport from a specialty audio retailer focused on real-world performance, not just spec sheets\u003c\/li\u003e\n          \u003cli\u003eTrusted help choosing complementary headphone amplifiers, DACs, and accessories\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/section\u003e\n\n      \u003csection id=\"related\" class=\"bh-section\"\u003e\n        \u003ch2\u003eRelated \u0026amp; System Matches\u003c\/h2\u003e\n        \u003cul class=\"bh-bullets\"\u003e\n          \u003cli\u003eDesktop headphone amplifiers designed for 300 Ω loads\u003c\/li\u003e\n          \u003cli\u003eDedicated DACs and DAC\/amp combinations for higher-resolution listening\u003c\/li\u003e\n          \u003cli\u003eTwo-channel systems with quality headphone outputs for late-night listening\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/section\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- RIGHT COLUMN --\u003e\n    \u003caside\u003e\n      \u003csection id=\"specs\" class=\"bh-section\"\u003e\n        \u003ch2\u003eHD 650 Specs\u003c\/h2\u003e\n        \u003ctable class=\"bh-specs\"\u003e\n          \u003ctbody\u003e\n            \u003ctr\u003e\n              \u003cth\u003eProduct Type\u003c\/th\u003e\n              \u003ctd\u003eOpen-back over-ear headphones\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eTransducer Principle\u003c\/th\u003e\n              \u003ctd\u003eDynamic, open\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eEar Coupling\u003c\/th\u003e\n              \u003ctd\u003eCircumaural\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eFrequency Response\u003c\/th\u003e\n              \u003ctd\u003e10Hz–41,000Hz\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eSound Pressure Level\u003c\/th\u003e\n              \u003ctd\u003e103 dB (1 V)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eNominal Impedance\u003c\/th\u003e\n              \u003ctd\u003e300 Ω\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eTotal Harmonic Distortion\u003c\/th\u003e\n              \u003ctd\u003e\u0026lt; 0.05% (1kHz, 1 V)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eConnector\u003c\/th\u003e\n              \u003ctd\u003e1\/4\" (6.35 mm) stereo jack plug\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eAdapter\u003c\/th\u003e\n              \u003ctd\u003e6.35 mm to 3.5 mm stereo adapter included\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eCable Length\u003c\/th\u003e\n              \u003ctd\u003e3 m\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eWeight\u003c\/th\u003e\n              \u003ctd\u003e260 g\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eMagnetic Field\u003c\/th\u003e\n              \u003ctd\u003e1.8 mT\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n              \u003cth\u003eSKU\u003c\/th\u003e\n              \u003ctd\u003e508825\u003c\/td\u003e\n            \u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n        \u003cp class=\"bh-note\"\u003eThis model is engineered for listeners who want a high-impedance open-back design with proven tonal sophistication and long-term audiophile credibility.\u003c\/p\u003e\n      \u003c\/section\u003e\n\n      \u003csection id=\"whats-in-the-box\" class=\"bh-section\"\u003e\n        \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n        \u003cul class=\"bh-bullets\"\u003e\n          \u003cli\u003e1 × open-back over-ear headphone\u003c\/li\u003e\n          \u003cli\u003e1 × detachable 3 m cable with 6.35 mm stereo plug\u003c\/li\u003e\n          \u003cli\u003e1 × 3.5 mm adapter\u003c\/li\u003e\n          \u003cli\u003eDocumentation\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/section\u003e\n      \u003c!-- No purchase\/CTA section --\u003e\n    \u003c\/aside\u003e\n  \u003c\/div\u003e\n\n  \u003cmeta itemprop=\"brand\" content=\"Sennheiser\"\u003e\n  \u003cmeta itemprop=\"category\" content=\"Headphones, Audiophile Headphones, Open-Back Headphones\"\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\":\"https:\/\/schema.org\",\n  \"@type\":\"Product\",\n  \"name\":\"Sennheiser HD 650 Over-Ear Headphones\",\n  \"brand\":{\n    \"@type\":\"Brand\",\n    \"name\":\"Sennheiser\"\n  },\n  \"category\":\"Open-Back Headphones\",\n  \"description\":\"Open-back dynamic over-ear headphones with 300 ohm impedance, 10Hz to 41,000Hz frequency response, 103 dB SPL, detachable 3 m cable, and circumaural design.\",\n  \"offers\":{\n    \"@type\":\"Offer\",\n    \"availability\":\"https:\/\/schema.org\/InStock\"\n  }\n}\n\u003c\/script\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":53576790442350,"sku":"SENHD650","price":579.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/sennheiser-hd-650-over-ear-headphones.webp?v=1774974997"},{"product_id":"sennheiser-hd-620s-closed-back-wired-audiophile-headphones-demo","title":"Sennheiser HD 620S Closed-Back Wired Audiophile Headphones (Open Box New)","description":"\u003ch2\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003e\u003cstrong\u003eSennheiser HD 620S Closed-Back Wired Audiophile Headphones (Demo)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eWho says closed-back headphones can’t sound that open? Featuring a remarkably open baffle and angled transducers, the HD 620S replicates the spatial imaging of loudspeakers while keeping listening sessions secluded.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eEnjoy undisturbed privacy while listening to exceptional open, natural sound.\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eWish your surroundings were more suitable for enjoying long listening sessions? Well, now you no longer have to trade an impressive soundstage for privacy. The HD 620S lets you experience detailed, spacious sound like never before in closed-back headphones. The stainless-steel reinforced ear cup covers not only add timeless appeal to this masterpiece; they also provide a private listening session regardless of your surroundings. So if you’re more into sofa concerts than kitchen talks, the new HD 620S offers you a distraction-free listening experience with true-to-life vocals, letting you relive spectacular live moments without compromising on natural, airy sound.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eOpen sound in a closed-back design.\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eYou might think that’s impossible. Think again. The HD 620S combines the DNA of the HD 600 and 500 series, bringing the best of both headphone families to a closed chassis. Sennheiser’s HD 600 series has long been the standard for natural tone, thanks to our dedication to continuously improving the open-back concept. The 500 series introduced later offers a soundstage that immerses listeners in their music. The distinctive DNA combination of these two series lets the HD 620 excel where many closed headphones struggle, preserving the detailed, smooth sound the 600 series is known for. \u003cbr\u003e\u003cbr\u003eOur reference-grade 42 mm angled transducers with 38 mm diaphragm and ultra-light 150-ohm aluminum voice coil deliver exceptional impulse response, expanding the stereo image to an almost panoramic soundstage.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eThat’s not only uniquely rare for a closed-back design; it will switch your understanding of closed-back headphone sound.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eNo matter whether all day, all week or all year.\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eThe HD 620S not only offers timeless design, but also timeless function and comfort. So your mind can focus on other things than high-maintenance headphones. The HD 620S chassis is lightweight yet familiar, bolstered by premium touches that will deliver its unique acoustic signature for years to come. The robust, steel-reinforced headband sliders and ear cup covers add timeless appeal and long-term durability to a silhouette sculpted for all-day wearing comfort. Spacious ear cup covers and the supple ear pads made from artificial leather not only offer superb acoustic isolation, but also add a comfortable touch thanks to internal venting.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eYour passion knows no boundaries. Why should your headphones?\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eWho doesn’t sometimes want to just switch off and become immersed in their own world undisturbed, away from roommates or family? With the HD 620S, you can stay in the same room without compromising on privacy. Even better: without compromising on natural, expansive sound. Imagine hearing every nuance from every direction without any disturbance. No matter if you love gaming, amateur music production, or simply listening to exceptionally good audio, the HD 620S takes your passion to the next level and boosts your emotional experience. So, if you’re looking for spatial awareness and extraordinary detail retrieval, there’s no need to wait. It’s your time to switch to the new HD 620S.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003e\u003cbr\u003eWhat to expect in the box:\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eHD 620S closed-back headphones\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e1.8 m cable with 3.5 mm plug\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e3.5 to 6.3 mm adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003eProduct Details:\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eClosed-back headphones with steel-reinforced ear cup covers for distraction-free listening sessions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eReference-grade 42 mm angled transducers with 38 mm diaphragm deliver speaker-like imaging with natural detail retrieval and expansive soundstage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eUltra-light 150-ohm aluminum voice coil for enhanced clarity and accuracy in audio reproduction\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eLightweight chassis with steel-reinforced headband sliders and artificial leather earpads with internal venting for long-term durability and all-day comfort\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eArticle number (SKU) HD 620S: 700401\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eCable length: 1.8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eEar coupling: Around ear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eEar pad material: Artificial leather on Polyurethane basis\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eFrequency response: 6 Hz - 30 kHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eNominal impedance: 150 Ohm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003ePackage dimensions: 9.33 x 7.52 x 3.78 inches (LxBxH)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003ePackage weight: 1.48\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eSound pressure level (SPL): 110 dB \/ 1 V RMS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eStorage temperature: -15°C to 65°C\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eTHD, total harmonic distortion: \u0026lt;0,05 % (1kHz\/90 db SPL)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eTransducer principle (headphones): dynamic, closed\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eUPC: 8100912728\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003e\u003cstrong\u003eAudiolab Stereo \u0026amp; Video Center\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":53843687604590,"sku":"SENHD620SDEMO","price":279.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/sennheiser-hd-620s-headphones.jpg?v=1738878426"},{"product_id":"sennheiser-hd-660s2-over-ear-open-air-dynamic-headphones-demo","title":"Sennheiser HD 660S2 Over Ear Open Air Dynamic Headphones (Open Box New)","description":"\u003ch2\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003e\u003cstrong\u003eSennheiser HD 660S2 Over Ear Open Air Dynamic Headphones (Demo)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eEnjoy your music on a completely new level. An intimate, relaxed sound signature combines with outstanding precision and exceptional comfort — and now, extended sub bass — for a deeply moving experience.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eExtended sub bass\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eNatural, warm sound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eComfortable open-back design\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cb\u003eYour new desert island headphone\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eEvery high-end headphone has its own unique personality. What if you could only own one?\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cbr\u003eEver felt goosebumps from sound so real, it was as if the source was in the room with you? The non-fatiguing HD 660S2 gives people who love music an intimate way to connect more deeply with their favorite songs and artists. Breathtaking resolution and precision take you closer than ever to instruments and vocalists. Yet the sound is natural and balanced, never harsh or brash.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cbr\u003eThis warm, inviting signature combined with extended sub bass makes listening uniquely pleasant and rewarding. And with comfort this good, it practically begs you to keep going for endless sessions. That’s how HD 660S2 combines the best of many worlds to give you an intimate experience you won’t want to live without.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003e\u003cbr\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eUniquely powerful vented magnet system for minimized distortion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eIntimate sound with great timbre and deep, accurate sub bass\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eOutstanding quality designed in Germany, made in Ireland\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003eUltra-light aluminum voice coil with 300-ohm impedance for excellent impulse response\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003ePlush ear cushions and open design for maximum comfort\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eTransducer principle: dynamic, open\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eTransducer size: 38 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eFrequency response: 8 – 41,500 Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eImpedance: 300 Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eSound pressure level (SPL): 104 dB (1 kHz, 1 Vrms)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eTotal harmonic distortion (THD): \u0026lt;0.04% (1 kHz, 100 dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eEar coupling: Over-Ear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eWeight: 260g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eAdapter: 6.3 mm (1⁄4 inch) to 3.5 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eConnector: 6.3 mm (1⁄4 inch) jack plug, 4.4 mm balanced plug\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eCable length: 1.8m\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eCountry of origin: Ireland\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eMagnetic field: 4.5mT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eMPN: 700240\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eUPC: 810091270370\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif; font-size: 12pt;\"\u003e\u003cstrong\u003eWhat’s in the box\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003eHD 660S2 headphones\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003e6.3 mm cable (1.8 m)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003e4.4 mm cable (1.8 m)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003e6.3 mm to 3.5 mm adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 12pt; font-family: helvetica, arial, sans-serif;\"\u003ecarry pouch\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"font-family: helvetica, arial, sans-serif;\"\u003e\u003cstrong\u003e\u003cspan id=\"docs-internal-guid-5a401363-7fff-4c98-638a-f456b649f4fc\"\u003eAudiolab Stereo \u0026amp; Video Center\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":53843696091502,"sku":"SENHD660S2DEMO","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/SENHD660S2.jpg?v=1738872829"}],"url":"https:\/\/audiolab.com\/collections\/sennheiser-over-ear-headphones.oembed","provider":"Audiolab","version":"1.0","type":"link"}