The Samsung HW-Q990B is an 11.1.4-channel sound bar system with an included wireless subwoofer and four up-firing channels, delivering 656W of Dolby Atmos and DTS:X surround from all angles. It supports Wi-Fi, Bluetooth, and AirPlay 2. This unit is a Geek Squad Certified Open Box. Included wireless subwoofer and four up-firing channels create all-around surround Dolby Atmos and DTS:X deliver immersive, detailed sound This description was generated by AI and reviewed for accuracy.