This advanced 5.1 Vizio 5.1 Surround Sound Home Theater also includes a built-in amplifier and audio receiver to complete your home theater with all-in-one convenience. Vizio Refurbished VHT510 5.1 CH Surround Sound Home Theater System with Wireless Subwoofer: * Built-in surround sound decoders include Dolby Digital, DTS-HD, SRS CircleCInema HD and SRS StudioSound HD * Universal soundbar with 3" drivers and 3/4" tweeter, center speaker with 2-3/4" driver and 3/4" tweeter, satellite speakers with 2" drivers and 3/4" tweeter * Subwoofer with 6-1/2" long throw high excursion driver, 2.4GHz wireless HD audio connection and 100" range * Ports: S/PDIF, RCA, Mic In * Includes IR remote