Sub 4 unlocks the full potential of Sonos, immersing you even deeper into every scene and song. Combine Sub 4 with your Sonos soundbar or speaker for a difference you can feel. Two power-lifting woofers produce deep bass and virtually eliminate all distortion. The iconic design with its new matte finish looks great in any home. Installed in just a few minutes – simply plug it in and open the Sonos app. Sub 4 connects to your system via Wi-Fi, so you can place it wherever it fits best. Stand it upright or lay it on its side under the couch. Combine two with Arc Ultra or Arc for sound so impactful, you'll forget you're not in a movie theater, but just sitting at home on your couch.