Description Sub 4 unlocks the full power of Sonos sound to immerse you deeper in every scene and song. Hear and feel the difference when you add Sub to a room in your Sonos system. Pair Sub 4 with your Sonos soundbar or speaker for a difference you can hear and feel.1 Dual force-cancelling woofers deliver pulse-pounding bass and virtually eliminate distortion. Updated with a matte finish, the iconic design looks great in your home. Set it up in minutes — just plug in the power cable and open the Sonos app. 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. Pair two with Arc Ultra or Arc for bass so deep and sound so cinematic, you’ll forget you’re not in an actual theatre. Amplifiers Dual Class-D digital amplifiers perfectly tuned to the subwoofer’s unique acoustic architecture. Woofers Dual 5″ x 8″ elliptical woofers face inward for a force-cancelling effect that virtually eliminates distortion. Architecture Ported cabinet enhances bass response. Frequency Response As low as 25 Hz EQ Audio settings automatically equalize to balance Sub 4 and the paired Sonos speaker(s). Use the Sonos app to adjust bass, treble, and loudness. Trueplay This software measures the acoustics of the room then fine-tunes your Sonos system.
