• Dual force‑cancelling driver system – Two inward‑facing drivers eliminate cabinet vibration, delivering deep, clean bass with zero rattle or distortion.

• Wireless, app‑driven setup – Connects seamlessly to your Sonos system over Wi‑Fi, with quick configuration and tuning through the Sonos app.

• Deep, room‑filling low frequencies – Adds powerful, cinematic bass that enhances movies, music, and gaming without muddying dialogue or midrange detail.

• Sculpted, modern design – A sleek, architectural form that looks stunning in any room—standing upright, laid flator tucked under furniture.

• Glossy, premium finish – High‑end surface treatment that complements Sonos soundbars, speakers, and contemporary interiors.

• Flexible placement options – Works vertically or horizontally, allowing discreet placement behind furniture, beside a console, or under a couch.

• Automatic room tuning – Optimizes bass response when paired with Sonos products that support Trueplay tuning.

• Expandable system compatibility – Pairs with Sonos soundbars, speakers, and multi‑room setups to create a fuller, more immersive soundstage.

• Distortion‑free performance at any volume – Engineered to maintain clarity and impact whether you’re listening quietly or pushing your system to cinematic levels.

• Effortless multi‑room integration – Adds low‑frequency depth to any Sonos zone, from living rooms to dedicated theatre spaces.

Driver & Acoustic Design

• Driver Configuration: Dual force‑cancelling driver system
• Driver Orientation: Inward‑facing to eliminate cabinet vibration
• Enclosure Type: Sealed acoustic design for tight, controlled bass
• Acoustic Character: Deep, distortion‑free low frequencies with fast transient response

Amplification

• Amplifier Type: High‑efficiency digital amplification
• Power Output: Engineered for strong continuous output and clean dynamic peaks
• Distortion Control: Force‑cancelling architecture prevents cabinet resonance and rattling

Performance

• Frequency Response: Extended low‑frequency range suitable for cinema, music, and gaming
• Bass Character: Clean, powerful, and highly controlled at any volume
• Dynamic Range: Capable of subtle low‑end detail and room‑shaking impact

Connectivity

• Wireless Connection: Wi‑Fi integration with Sonos ecosystem
• Pairing: Supports pairing with Sonos soundbars, speakers, and multi‑room setups
• App Control: Full configuration and tuning through the Sonos app
• System Compatibility: Works with Sonos home‑theatre and whole‑home audio systems

Controls & Features

• Setup: Guided wireless setup via the Sonos app
• Tuning: Automatic optimization when used with Trueplay‑compatible Sonos products
• Placement Flexibility: Operates vertically or horizontally
• Multi‑Sub Support: Can be paired with additional Sonos subs for increased output

Cabinet & Finish

• Finish: Premium gloss or matte white (model‑dependent)
• Design: Slim, sculptural form suitable for open display or discreet placement
• Construction: Rigid, resonance‑free housing for clean acoustic performance

Dimensions & Weight

• Form Factor: Slim, architectural design for flexible placement
• Weight: Dense, stable build to support vibration‑free operation

Included Items

• Sonos Sub 4 Wireless Subwoofer
• Power cable
• Quick‑start documentation