Yamaha ATS-1010BL Factory Refurbished Front Surround System Yamaha factory refurbished items are products, which may have been purchased and opened by a consumer, but have been tested, inspected, and repackaged by Yamaha. Yamaha factory refurbished items may have minor cosmetic damage. Slim, low-profile, one-body design allows positioning in front of a TV AIR SURROUND XTREME delivers 7.1-channel surround sound; UniVolume keeps programs and commercials at the same volume level Learning function enables operation from the TV remote control; Audio Delay Control (Lip Sync) adjusts discrepancies between picture and vocals