Flagship 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
The Focal 1000 IWSUB UTOPIA 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.
Key Features & Innovations
Triple 6.5-inch 'W' Sandwich Cone Drivers — the Focal 1000 IWSUB UTOPIA incorporates three high-excursion woofers featuring Focal's composite 'W' sandwich cone technology for maximum rigidity, dampening, and lightness.
Modular Stacking & System Integration — specifically engineered to connect directly to 1000 IWLCR UTOPIA speakers in a stacked configuration using internal Speakon interconnecting links.
Heavy-Duty Sealed MDF Backbox Enclosure — integrated rigid backbox prevents sound transmission into adjacent rooms while guaranteeing consistent, factory-tuned low-frequency performance regardless of wall cavity volume.
High-Power Passive Subwoofer Architecture — handles up to 750 Watts of peak power, allowing custom integrators to match the unit with reference multi-channel external power amplifiers.
Magnetic Paintable Aluminum Front Grille — includes a flush, ready-to-paint magnetic metal grille designed to integrate invisibly into luxury architectural interiors.
FAQ — 1000 IWSUB UTOPIA
Is the Focal 1000 IWSUB UTOPIA a powered or passive subwoofer?
The Focal 1000 IWSUB UTOPIA is a passive in-wall subwoofer that requires an external power amplifier (such as a dedicated multi-channel or high-power DSP subwoofer amplifier).
Can multiple 1000 IWSUB UTOPIA units be stacked together?
Yes. 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.
Does this subwoofer require a separate backbox?
No. The subwoofer features an integrated, factory-sealed acoustic rear enclosure, which simplifies installation and ensures optimal bass loading inside standard wall studs.
Where is the 1000 IWSUB UTOPIA manufactured?
Every Focal 1000 Series component, including the 1000 IWSUB UTOPIA, is designed, engineered, and hand-manufactured at Focal's acoustic workshops in France.
Why Buy From Us
Authorized Focal dealer offering 100% factory-authentic reference architectural audio with full manufacturer warranty protection
Expert custom integration specialists available to assist with room layout, power amplifier sizing, and modular array design
Dedicated post-purchase technical support for high-end home theater integration and acoustic calibration
Fast, secure freight shipping with protective heavy-duty packaging on every order
