Wireless Dolby Atmos soundbar with HDMI eARC and Dolby Atmos 3.1.2 configuration, Dolby TrueHD support, compatible with B&W Music App, Alexa enabled, Bluetooth, Spotify Connect, AirPlay 2. 400W total power output; frequency response 43Hz–48kHz; 3x 0.75" tweeters, 6x 2" bass/midrange drivers, 2x 2" Atmos drive units, 2x 4" low-profile bass units; Dimensions (HxWxD): 2.5" x 4.6" x 5.5"; Weight: 6.5 kg.