The Jbl Bar 700MK2 is a 7.1-channel Dolby Atmos soundbar system with detachable battery-powered wireless surround speakers - pull them off the bar for true rear channels, then snap them back on to recharge. A wireless 10-inch subwoofer adds deep, controlled bass. MultiBeam 3.0, Dts:X, Hdmi eARC, 4K Dolby Vision passthrough, AirPlay 2, Chromecast, and Alexa Mrm round out the feature set.