VIZIO SB3820-C6 38-Inch 2.0 Channel Sound Bar (Certified Refurbished) The 2.1 Sound Bar System features powerful speakers paired with a wireless subwoofer, delivering booming sound with crystal-clear audio quality. This combo brings an enticing home theater experience to the comforts of your home. Upgrade to premium audio with VIZIOs 38 2.0 Sound Bar. Best in class audio performance delivers up to 100 dB of room filling, crystal clear sound with less than 1% total harmonic distortion. Rich, powerful bass transforms movies, music, and TV into an explosive experience. Wireless means your home stays free of clutter while you get great sound. Built-in Bluetooth allows you to wirelessly stream audio from your mobile devices. Lose the wires and listen to your music with a tap of a finger from anywhere in the room. DTS TruSurround is a virtual surround sound solution that delivers a realistic surround sound environment on sound bars.