The Sony BRAVIA Theatre Bar 6 (HT-B600) is a 3.1.2-channel Dolby Atmos and DTS:X sound bar with an included wireless subwoofer and up-firing height channels for immersive overhead sound. This unit is Geek Squad Open Box. Up-firing height channels add overhead effects, and the included wireless subwoofer adds deeper bass DTS:X adds a more spacious experience; Bluetooth for wireless music This description was generated by AI and reviewed for accuracy.