Logitech Z-5500 5.1 Digital Speaker System w/Digital Hardware Decoder 

Specifications:
Configuration: 5.1
Power Output: 505 Watts RMS; Satellites: 317W RMS (2 x 62W front, 2 x 62 rear, 69W center), Subwoofer: 188W RMS
Signal To Noise Ratio: >93.5 dB, typical 100
Remote: Wireless Remote
Features: Built-in hardware decoding for Dolby Digital & DTS, 10" long throw subwoofer driver w/flared bass port pounds out powerful distortion-free bass, Support for 96 kHz/24 bit digital audio streams, Dolby Pro Logic II creates realistic 5.1 surround sound from stereo music, movies & games, 6 channel direct input can be used as 3 separate stereo inputs

Weight: 45.00 lbs