Sonos Sub Gen 4 Premium Wireless Smart Subwoofer - WhiteExperience the elevated audio quality with the Sonos Sub 4, a premium wireless subwoofer designed to deliver a rich and deep bass sound. Impeccably designed, this subwoofer bridges the gap between style and performance. It's built with two force canceling speakers to deliver a clear and powerful bass without any distortions. The Sonos Sub 4 also seamlessly integrates with other Sonos systems to create astounding surround sound home theater system.