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The Sonos Sub (Gen 3) is a wireless subwoofer that adds deep bass to any Sonos speaker or soundbar system. Its two force-canceling drivers face inward, which cancels cabinet vibration and rattle, and it reaches down to 25 Hz. It can stand upright or lie on its side, and the app auto-equalizes it to the paired speakers. It suits people already in the Sonos ecosystem who want fuller low end for movies and music; rivals like the Sub Mini are smaller and less deep, while this model is the fuller-bass option for larger rooms.
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Owners generally praise the clean, deep bass and the lack of cabinet buzz, and many say it transforms movies and music on Sonos soundbars. Common complaints are the size, the need for an iOS device for Trueplay, and the dependence on the Sonos ecosystem.
The Sonos Sub (Gen 3), model SUBG3US1, is a wireless subwoofer that adds deep bass to a Sonos system. It takes over the lowest frequencies from paired speakers, which enhances their midrange playback.
Two force-canceling drivers face inward to reduce vibration and cabinet rattle. Two Class-D digital amplifiers and dual acoustic ports are tuned to the design. It has a sculptural shape with a high-gloss finish, and it can stand upright or lie on its side.
Audio settings equalize automatically to balance Sub with the paired Sonos speakers or components. EQ settings can be adjusted in the app. Trueplay software tunes the sound to the room's acoustics and requires an iOS device.
