{"product_id":"focal-1000-iwsub-utopia-passive-closed-back-in-wall-subwoofer","title":"Focal 1000 IWSUB Utopia Passive Closed-Back In-wall Subwoofer","description":"\u003c!-- ======================================================\n     Focal 1000 IWSUB UTOPIA In-Wall Subwoofer — AL (bh-*) HTML\n     Two-Column Layout (Overview left \/ Specifications right)\n     Long-tail keyword used 5×: “Focal 1000 IWSUB UTOPIA”\n     ====================================================== --\u003e\n\u003cstyle\u003e\n  .bh-wrap{max-width:1100px;margin:0 auto;padding:1rem 1.25rem;line-height:1.6}\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-section h2{margin-top: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:.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\u003cdiv class=\"bh-wrap\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\n\u003ch1 class=\"bh-title\" itemprop=\"name\"\u003eFocal 1000 IWSUB UTOPIA\u003c\/h1\u003e\n\u003cp class=\"bh-sub\"\u003eFlagship reference architectural in-wall subwoofer • 3x 6.5\" 'W' cone woofers • passive sealed enclosure • modular design for 1000 IWLCR UTOPIA matching • magnetic paintable magnetic grille • hand-crafted in France\u003c\/p\u003e\nThe \u003cstrong\u003eFocal 1000 IWSUB UTOPIA\u003c\/strong\u003e represents the pinnacle of architectural low-frequency reproduction, bringing the legendary Utopia acoustic engineering into a high-end in-wall format. Hand-crafted in France, this reference passive subwoofer utilizes three 6.5-inch 'W' sandwich cone woofers housed within an acoustically isolated sealed enclosure. Designed to pair seamlessly alongside the 1000 IWLCR UTOPIA, it offers modular stacking capabilities to deliver uncompromising dynamic impact, ultra-fast bass articulation, and deep extension for world-class home cinemas.\n\u003cdiv class=\"bh-grid\"\u003e\n\u003cdiv\u003e\n\u003csection id=\"features-and-tech\" class=\"bh-section\"\u003e\n\u003ch2\u003eKey Features \u0026amp; Innovations\u003c\/h2\u003e\n\u003cul class=\"bh-bullets\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple 6.5-inch 'W' Sandwich Cone Drivers\u003c\/strong\u003e — the \u003cstrong\u003eFocal 1000 IWSUB UTOPIA\u003c\/strong\u003e incorporates three high-excursion woofers featuring Focal's composite 'W' sandwich cone technology for maximum rigidity, dampening, and lightness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Stacking \u0026amp; System Integration\u003c\/strong\u003e — specifically engineered to connect directly to 1000 IWLCR UTOPIA speakers in a stacked configuration using internal Speakon interconnecting links.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Sealed MDF Backbox Enclosure\u003c\/strong\u003e — integrated rigid backbox prevents sound transmission into adjacent rooms while guaranteeing consistent, factory-tuned low-frequency performance regardless of wall cavity volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Power Passive Subwoofer Architecture\u003c\/strong\u003e — handles up to 750 Watts of peak power, allowing custom integrators to match the unit with reference multi-channel external power amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic Paintable Aluminum Front Grille\u003c\/strong\u003e — includes a flush, ready-to-paint magnetic metal grille designed to integrate invisibly into luxury architectural interiors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection id=\"faq\" class=\"bh-section bh-faq\"\u003e\n\u003ch2\u003eFAQ — 1000 IWSUB UTOPIA\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the Focal 1000 IWSUB UTOPIA a powered or passive subwoofer?\u003c\/summary\u003e\n\u003cp\u003eThe \u003cstrong\u003eFocal 1000 IWSUB UTOPIA\u003c\/strong\u003e is a passive in-wall subwoofer that requires an external power amplifier (such as a dedicated multi-channel or high-power DSP subwoofer amplifier).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan multiple 1000 IWSUB UTOPIA units be stacked together?\u003c\/summary\u003e\n\u003cp\u003eYes. The modular design allows you to stack one 1000 IWLCR UTOPIA main speaker with up to three 1000 IWSUB UTOPIA modules vertically to form an extraordinary reference-level in-wall LCR array.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this subwoofer require a separate backbox?\u003c\/summary\u003e\n\u003cp\u003eNo. The subwoofer features an integrated, factory-sealed acoustic rear enclosure, which simplifies installation and ensures optimal bass loading inside standard wall studs.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhere is the 1000 IWSUB UTOPIA manufactured?\u003c\/summary\u003e\n\u003cp\u003eEvery Focal 1000 Series component, including the 1000 IWSUB UTOPIA, is designed, engineered, and hand-manufactured at Focal's acoustic workshops in France.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\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\u003eAuthorized Focal dealer offering 100% factory-authentic reference architectural audio with full manufacturer warranty protection\u003c\/li\u003e\n\u003cli\u003eExpert custom integration specialists available to assist with room layout, power amplifier sizing, and modular array design\u003c\/li\u003e\n\u003cli\u003eDedicated post-purchase technical support for high-end home theater integration and acoustic calibration\u003c\/li\u003e\n\u003cli\u003eFast, secure freight shipping with protective heavy-duty packaging on every order\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\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\u003eFocal 1000 IWLCR UTOPIA flagship 3-way in-wall loudspeaker\u003c\/li\u003e\n\u003cli\u003eHigh-current multi-channel external power amplifiers and DSP subwoofer processors\u003c\/li\u003e\n\u003cli\u003eIn-wall rated (CL2\/CL3) oxygen-free heavy-gauge speaker cabling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c!-- RIGHT COLUMN --\u003e\n\u003caside\u003e\n\u003csection id=\"specs\" class=\"bh-section\"\u003e\n\u003ch2\u003e1000 IWSUB UTOPIA 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\u003eFlagship Architectural Passive In-Wall Subwoofer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWoofers\u003c\/th\u003e\n\u003ctd\u003e3x 6.5\" (16.5 cm) 'W' Sandwich Cone Drivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Response\u003c\/th\u003e\n\u003ctd\u003e40 Hz – 2,500 Hz (±3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLow Frequency Cutoff\u003c\/th\u003e\n\u003ctd\u003e32 Hz (-6 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity\u003c\/th\u003e\n\u003ctd\u003e89.5 dB (2.83V \/ 1m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Impedance\u003c\/th\u003e\n\u003ctd\u003e8 Ohms (Minimum 6.8 Ohms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Power\u003c\/th\u003e\n\u003ctd\u003e100 – 750 Watts (Peak)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure Type\u003c\/th\u003e\n\u003ctd\u003eSealed Integrated MDF Backbox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCutout Dimensions\u003c\/th\u003e\n\u003ctd\u003e22.25\" x 11.38\" (564 x 288 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting Depth\u003c\/th\u003e\n\u003ctd\u003e3.9\" (99 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions (H x W x D)\u003c\/th\u003e\n\u003ctd\u003e23.38\" x 12.0\" x 4.0\" (593 x 305 x 101 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e21.2 lbs (9.6 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"bh-note\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/section\u003e\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\u003eFocal 1000 IWSUB UTOPIA In-Wall Subwoofer\u003c\/li\u003e\n\u003cli\u003eMagnetic paintable metal front grille\u003c\/li\u003e\n\u003cli\u003eAcoustic fabric screen layer\u003c\/li\u003e\n\u003cli\u003eSpeakon linking cable \u0026amp; assembly brackets\u003c\/li\u003e\n\u003cli\u003eCutout template \u0026amp; installation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- No purchase\/CTA section --\u003e\u003c\/aside\u003e\n\u003c\/div\u003e\n\u003cmeta itemprop=\"brand\" content=\"Focal\"\u003e \u003cmeta itemprop=\"category\" content=\"In-Wall Subwoofers, Architectural Speakers, Reference Home Cinema Audio\"\u003e\n\u003c\/div\u003e","brand":"Focal","offers":[{"title":"Default Title","offer_id":51811083452782,"sku":"FOC1000IWSUBUTOPIA","price":3299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/1537\/4703\/files\/foc1000iwsubutopia__84991.1687290998.3000.3000_2nd.jpg?v=1738849066","url":"https:\/\/audiolab.com\/products\/focal-1000-iwsub-utopia-passive-closed-back-in-wall-subwoofer","provider":"Audiolab","version":"1.0","type":"link"}