This Geek Squad Certified Open Box Samsung HW-B400F/ZC is a 2.0 channel sound bar rated at 40W. DTS Virtual:X simulates surround sound without extra speakers, Night Mode keeps dialogue audible at low volume, and a single remote operates both the sound bar and the TV. 40W across a 2.0 channel layout for stereo television sound One remote controls both the sound bar and the TV This description was generated by AI and reviewed for accuracy.