Sonos Sub 4 White Wireless Subwoofer - Deep, Distortion-Free Bass

In this review of the Sonos Sub 4 White, the conclusion is straightforward: this subwoofer is for listeners and home theater owners who want dramatic low end without distortion. It pairs seamlessly with Sonos soundbars and speakers to deliver powerful, room-filling bass while remaining easy to set up and position. The single biggest reason to buy is the Sub 4's dual force-canceling drivers and ported enclosure, which produce deep, controlled bass that enhances movies and music without rattling or muddying midrange clarity.

Key Features

• Dual drivers: Dual Sonos-engineered drivers generate deep, dynamic bass that adds impact to films and songs without overwhelming them.
• Ported enclosure: The ported design enhances low-frequency output so explosions and synth bass feel fuller and more present.
• Force-canceling architecture: Force-canceling construction virtually eliminates distortion, buzz, and rattle even at higher volumes.
• Simple setup: Plug-and-play installation with a single power cable and the Sonos app gets the subwoofer connected to your system quickly over WiFi.
• Flexible placement: Stand it upright or lay it on its side and hide it under a sofa, giving room layout options without sacrificing performance.
• System pairing: Pairs reliably with Sonos Arc Ultra, Arc, Beam, or compatible speakers to transform home theater immersion.

Who It's For

The Sonos Sub 4 White is ideal for home theater enthusiasts who already own a Sonos soundbar or speaker and want to add authoritative low end. It benefits people who value clean, controlled bass for movies, TV and music and who appreciate a sculptural design that matches a white Sonos system.

Not every listener needs a dedicated subwoofer; those with very small rooms or tight budgets might prefer a compact soundbar upgrade instead. Also, if wired subwoofer connections are required in a specific setup, this WiFi-reliant sub may not suit that use case.

Pros & Cons

Pros

• Powerful, clean bass from the dual drivers improves movie impact and music depth.
• Force-canceling design reduces distortion and cabinet vibration for a refined sound.
• Reliable WiFi pairing and easy setup with the Sonos app make installation painless.
• Matte white finish and sculptural form fit modern living spaces and hide well under furniture.

Cons

• Higher price than some standalone subwoofers, which may deter budget buyers.
• Relies on Sonos ecosystem and WiFi pairing, so it is less flexible for non-Sonos setups.

Specifications

Product	Sonos Sub 4 - Wireless Subwoofer (White)
Drivers	Dual Sonos-engineered force-canceling woofers
Enclosure	Ported enclosure for enhanced low-frequency output
Connectivity	WiFi pairing with Sonos soundbars and speakers
Setup	Plug-and-play with single power cable and Sonos app
Placement	Stand upright or lay on side; fits under sofas
Finish	Updated matte white sculptural design

Our Verdict

The Sonos Sub 4 White is a strong choice for Sonos owners who want deep, controlled bass that elevates movies and music. Its force-canceling drivers and ported enclosure deliver impactful low end without distortion, and the plug-and-play setup makes it easy to integrate. It represents good value for those committed to the Sonos ecosystem, though budget-conscious buyers or users outside the ecosystem should compare alternatives.

Frequently Asked Questions

Will the Sub 4 work with non-Sonos receivers?
It is designed to pair over WiFi with Sonos soundbars and speakers, so it is not intended as a general wired subwoofer for non-Sonos receivers.

Can I place the Sub 4 under a sofa?
Yes. The Sub 4 can be stood upright or laid on its side and hidden under furniture while still delivering full bass performance.

Does the Sub 4 cause cabinet rattles?
Force-canceling architecture and a ported enclosure reduce distortion and vibration, and most customers report minimal rattling even at higher volumes.