The Marantz Grand Horizon Wireless Powered Speaker System represents the pinnacle of luxury single-chassis wireless audio, merging artisanal craftsmanship with high-current Gallium Nitride (GaN) amplification. Centered on Marantz’s bespoke Rise amplifier architecture, this statement wireless system delivers 370 watts of continuous RMS power (860W peak dynamic output) to drive a radial array of three 1-inch silk dome tweeters, four 3-inch midrange transducers, and a massive, long-throw 8-inch center subwoofer. Equipped with Marantz Mirage DSP for room-filling panoramic soundstaging, an intuitive proximity-sensing touch ring with ambient illumination, HDMI eARC TV integration, and multi-room streaming via HEOS Built-in, it fills grand living spaces with authoritative, high-resolution musicality.
Key Features & Innovations
Proprietary Marantz Rise™ GaN FET Amplification — the Marantz Grand Horizon Wireless Powered Speaker System utilizes state-of-the-art Gallium Nitride field-effect transistors delivering 370W RMS (860W peak) of ultra-fast, high-efficiency power with vanishingly low distortion across all discrete driver channels.
Marantz Mirage™ Spatial DSP Architecture — proprietary digital signal processing coordinates the radial acoustic layout of three tweeters, four midrange drivers, and a central 8-inch subwoofer to project an expansive, three-dimensional soundstage without sweet-spot beaming.
Artisanal Marble Plinth & Marantz Radiance™ Eco360 Fabric — engineered with an organic circular silhouette resting on a natural marble base plinth, enveloped in sustainable, acoustically transparent fabric interwoven with gold lurex threading.
Intuitive Proximity Aura™ Ring Interface — embedded proximity sensors detect your approach to illuminate a hidden 100-point LED ring around the central diaphragm, providing seamless tactile volume adjustment via gentle finger glide along the perimeter.
Comprehensive Connectivity with HEOS® & HDMI eARC — streams high-resolution audio up to 24-bit/192kHz and DSD128 over AirPlay 2, Spotify Connect, and HEOS Built-in, while providing HDMI eARC, optical, RCA line-in, and USB-C connectivity for televisions, turntables, and external components.
FAQ — Marantz Grand Horizon
Does the Marantz Grand Horizon Wireless Powered Speaker System need an outboard receiver or amplifier?
No. The Marantz Grand Horizon Wireless Powered Speaker System is a completely self-powered, high-resolution wireless music system with onboard GaN FET power amplifiers, DACs, network streaming modules, and multi-channel DSP processing built directly into its chassis.
Can two Grand Horizon speakers be paired for a wider stereo configuration?
Yes. Using the HEOS app, two Grand Horizon speakers can be wirelessly paired in a dedicated left/right stereo arrangement to create an expansive, high-output reference stereo soundstage.
Can I connect my television directly to the Grand Horizon?
Yes, it features an HDMI eARC (Audio Return Channel) port on the rear connection panel, allowing television audio playback with volume control handled directly by your TV's remote control.
What are the physical finish options available?
The Grand Horizon is crafted in signature Marantz finishes: Midnight Sky with dark marble and Champagne with light natural marble, both accented by warm gold metal trim.
Why Buy From Us
Authorized Marantz reference dealer providing 100% genuine factory-sealed luxury components backed by full manufacturer warranty coverage
Experienced luxury lifestyle and smart-home audio specialists available for network onboarding, TV eARC setup, and stereo pairing
Dedicated post-purchase technical support for HEOS ecosystem calibration, source integration, and firmware maintenance
White-glove priority shipping in heavy-duty reinforced protective crating on every order
Related & System Matches
Marantz Horizon compact wireless powered speaker
AudioQuest Carbon HDMI eARC cables for television integration
Dual CS 429 or Audio-Technica turntables paired with external or built-in phono preamps
AudioQuest Evergreen analog stereo RCA-to-3.5mm and line-level interconnects
