The Sonos Sub (Gen 3) is a powerful wireless subwoofer designed to deliver deep, rich bass for your Sonos home audio system. Available in a glossy black finish, this premium subwoofer features two force-canceling speakers positioned face-to-face to eliminate vibration and distortion while producing powerful low-frequency sound down to 25 Hz.

The Sub Gen 3 features enhanced internals with a new quad-core processor, increased memory, and updated wireless radio for improved performance and future-proofing. Two Class-D digital amplifiers are precisely tuned to the acoustic architecture, paired with dual acoustic ports that enhance bass response. The sculptural design can stand upright or lay flat, allowing flexible placement in any room.

Setup is simple through the Sonos app, connecting wirelessly over WiFi (802.11a/b/g/n on 2.4 or 5 GHz) to pair with compatible Sonos speakers including One, Five, Ray, Beam, and Arc models. Trueplay technology scans your room and automatically fine-tunes the Sub for optimal sound. The Sub Gen 3 also supports dual subwoofer configurations, allowing you to add a second Sub in the same room for even more powerful bass. Digital signal processing handles all equalization and time alignment automatically, with manual adjustments available through the Sonos app for bass, treble, and loudness control.