The Samsung HW-Q800F is a 5.1.2-channel Dolby Atmos sound bar with an included wireless subwoofer and up-firing height channels for immersive overhead surround. This unit is Geek Squad Open Box. Up-firing height channels add overhead effects, and the included wireless subwoofer adds deeper bass Bluetooth, Wi-Fi, and built-in Alexa for streaming and voice control This description was generated by AI and reviewed for accuracy.