Vizio 38 inch sound bar and sub model SB3821 C6 includes remote and wall mount hardware Delivers up to 100 dB of room filling, crystal clear sound with less than 1% total harmonic distortion. Features Dolby Digital surround sound. DTS TruSurround is a virtual surround sound solution that delivers a realistic surround sound environment on sound bars. DTS TruVolume provides a consistent and comfortable volume level for an enjoyable multimedia experience. Simply set the volume once.