VIZIO SB4020E-A0B Home Theater Sound Bar (Refurbished) A refurbished VIZIO sound bar is a sound bar that has been returned to the manufacturer, refurbished, tested, and certified to work as If purchased new. This includes proper packaging, labeling, and the inclusion of all necessary accessories inside the box VIZIO refurbished items may have minor cosmetic damage. 95dB of room filling, crystal clear sound with less than 1% total harmonic distortion Sound Pressure Level measured using pink noise at 1 meter, C-weighted. The perfect home theater solution for 42 and larger TVs Powerful audio performance with SRS TruSurround HD and SRS TruVolume technology