Sonos AMP - Smart Class D Stereo Amplifier More power. More possibilities. 125 watts per channel Get high-fidelity sound for even the most demanding speakers. HDMI ARC Add stereo or surround sound to your TV for shows, movies, and games. AirPlay Send the sound from your iPhone or iPad to your home sound system. Take the sound outside. Power your outdoor speakers and easily expand your home sound system to the backyard. Upgrade your stereo. Connect your turntable or stereo to enjoy vinyl, CDs, and audio files stored on your devices, in addition to streaming. Choose your control. Control Amp with the Sonos app, AirPlay, or your favourite music service's app. Clean connections. A streamlined set of ports at the back of Amp make setup simple and keep your cords organised. The threaded connections for left and right channels are standard diameter so you can remove them and use your own banana plugs. Optical Adapter for Older TVs Use any standard HDMI cable and the Optical Audio Adapter* to connect Amp to your TV’s optical audio output if your TV doesn't have an HDMI ARC port. *Not included Compare Sonos Components Which product is right for you? Amp Connect:Amp Connect Watts per channel 125 @ 8 ohms 55 @ 8 ohms Digital out Optical & Coax Digital in HDMI ARC & Optical* Analogue line-in RCA RCA RCA Subwoofer out YES YES Rack-mountable YES AirPlay 2 YES Dimensions (H x W x D) 2.52 x 8.54 x 8.54 in.(64 x 217 x 217 mm) 3.50 x 7.28 x 8.15 in.(89 x 185 x 207 mm) 2.91 x 5.35 x 5.51 in.(74 x 136 x 140 mm) Weight 4.6 lbs. (2.1 kg) 5.1 lbs (2.3 kg) 1.5 lbs. (0.69 kg) *Optical Adaptor required The wireless home sound system that gets better over time. Easily connect Sonos speakers in different rooms over WiFi to create a home sound system that brings every room and everyone together. Regular software updates means your product is constantly improving.