This Geek Squad Certified Open Box Samsung HW-B650F/ZC is a 3.1 channel sound bar rated at 370W, with a subwoofer included. A built-in centre speaker keeps dialogue clear, Bass Boost strengthens the low end, and Adaptive Sound adjusts the audio automatically to match what you are watching. 370W across a 3.1 channel layout with an included subwoofer Built-in centre speaker keeps dialogue clear and easy to follow This description was generated by AI and reviewed for accuracy.