Logitech Z-5500 Digital surround sound speaker system ,
5.1 speaker system with 4 satellite speakers, center speaker, subwoofer, and Digital SoundTouch control center
Connects to PCs, DVD players, CD players, portable MP3 players, and game consoles
Digital SoundTouch unit controls volume, surround sound effects, and more
Supports Dolby Digital, DTS, DTS 96/24, and Dolby Pro Logic
505 watts total system power (62 watts x 4, plus 69-watt center speaker and 188-watt subwoofer)
Product Dimensions ‎52D x 68.2W x 41.1H Centimetres

Please refer to the manual in the link before operating the system