Add more bass to your existing Sonos setup with the gloss white Sonos SUB Wireless Subwoofer. It connects to your system via Wi-Fi or Ethernet and has a built-in extender for SONOSNet 2.0 connectivity. The SUB works will all Sonos amplified components and features two Class-D digital amplifiers that power two force-cancelling face-to-face-mounted drivers that are designed to reduce unwanted cabinet resonance.