The Samsung HW-B550 is a 2.1-channel sound bar with an included wireless subwoofer and Adaptive Sound Lite, delivering 410W of cinematic sound with Dolby Audio and DTS Virtual:X. A game mode enhances gaming effects, and it connects through HDMI and Bluetooth. This unit is a Geek Squad Certified Open Box. Included wireless subwoofer adds deep bass with flexible placement Adaptive Sound Lite and a game mode tune audio to your content This description was generated by AI and reviewed for accuracy.