Bass that gets under your skin. Two drivers developed by Sonos ensure dynamic playback of deep frequencies. The ported enclosure enhances bass reproduction for an immersive sound experience where you can feel every single beat. Perfect your home theater experience. Connect the Sub 4 with the Sonos Arc Ultra, Arc, or Beam and enjoy a more captivating sound experience with deeper bass and clearer highs for movies, shows, and games. Bring your music to life. Connect the Sub 4 with the Sonos Five, Era 300, or Era 100 to ensure you don’t miss any detail and experience even more room-filling sound. No rattling or clattering. The acoustic architecture provides a force-canceling effect and great sound without distortion. Perfectly tuned to the room, Trueplay optimizes the sound for the individual acoustics of the space and the placement of your speakers. Stylish design. The Sub 4 seamlessly integrates into your home with its sleek, slim shape and modern matte finish, perfectly complementing your Sonos speakers. Plug in and play. Simply connect the power cable and open the Sonos app to add the Sub 4 to your system. Place it wherever and however you like. The Sub 4 reliably connects via Wi-Fi to your Sonos soundbar or speaker, allowing you to position it anywhere in the room—you can even lay it on its side and hide it under your sofa. Double the action. Connect two Sub 4s with the Arc Ultra or Arc and enjoy captivating cinema sound with extremely deep bass that makes you forget you’re at home and not in a theater. Reduced environmental impact. The Sub 4 uses fewer materials and is more energy-efficient than previous generations. Advanced technology. The Sub 4 features higher processing power, more memory, and new Wi-Fi transmitters, making it the most advanced Sonos subwoofer ever.