The Samsung HW-Q900H/ZC is a 7.1.2-channel Dolby Atmos sound bar with an included wireless subwoofer for wide surround sound with overhead height effects. Brand New. Q-Symphony, SpaceFit Sound Pro, and Sound Elevation help tune and lift the audio Wi-Fi, Bluetooth, 4K pass-through, and two HDMI inputs; included subwoofer adds deeper bass This description was generated by AI and reviewed for accuracy.