The Samsung HW-Q600B is a 3.1.2-channel sound bar with an included wireless subwoofer and Dolby Atmos support, delivering 360W of cinematic sound with three front channels and height effects. This unit is a Geek Squad Certified Open Box. Included wireless subwoofer and height channels add bass and overhead effects 3.1.2-channel Dolby Atmos delivers immersive, cinematic sound This description was generated by AI and reviewed for accuracy.