Sub 4 unlocks the full power of Sonos sound. Pair this subwoofer with your Sonos soundbar or speaker for pulse-pounding bass that immerses you deeper in movies, Tv, and music. Dual force-canceling woofers virtually eliminate distortion. Updated with a matte finish, the iconic design is worthy of display in your home. Sub 4 connects to your system over WiFi, so you can put it where it looks and fits best in the room. Stand it upright or lay it on its side and hide it under your sofa.