Pioneer HTS-GS1 5.1-Channel Surround Sound System for the Xbox 360 (Discontinued by Manufacturer) MCACC microphone calibration technology automatically adjusts the surround sound to match your room Front Stage option mimics surround sound without placing the speakers around the room Powerful 600 watts of total RMS power and Dolby Digital/Pro Logic II and DTS decoding Includes five satellite speakers (two front, two rear, and center), subwoofer, display unit, and remote control 5.1-channel surround sound system matches the Xbox 360's design and style