Sound Bar 7.1 Channel, 512 W, Active Wireless Subwoofer, Dolby Atmos / DTS-X / Dolby True HD, 3D Video Pass, 4K Video Pass, HDR, Bluetooth 4.0, 2x HDMI Input, 1x HDMI Output, ARC, Audio, control of TV and SB with one driver, Alexa 3PDA, Smart Things app. support, Sound Modes: SSE, Standard, Smart, Harman Kardon