VIZIO"s 29" 2.0 Sound Bar delivers powerful audio that is perfect for any small to medium sized HDTV. It features DTS TruVolume for a TV viewing experience with fewer volume fluctuations and DTS TruSurround HD for immersive surround sound without the need for cumbersome rear speakers. Built-in Bluetooth allows you to wirelessly stream music from your smartphone, tablet or other Bluetooth enabled device. Setup is simple - just plug it in, connect the included audio cable to your TV and you"ve got powerful audio with minimal effort. Sound Pressure Level measured using pink noise at 1 meter, C-weighted. Total harmonic distortion calculated as electrical measurement of amplifier distortion.