Logitech X-540 Computer Speakers ?

Computer speakers in used but good condition, 5 speakers and subwoofer Spec: Immerse yourself in full, smooth 5.1 surround sound with the Logitech X-540 speaker system. The X-540 sports a unique, “Matrix Mode” that allows you to transform 2-channel stereo sources into full 5.1 surround sound. Listening to your favorite CDs with all speakers firing at the same time can be a religious experience. Real-time bass equalization maximizes performance while minimizing distortion. Plug and play functionality makes the X-540 simple to connect to a variety of sources including PCs and MP3 players. Product Identifiers Brand Logitech MPN 980-000149 Model X-540 UPC 5099206993402 Key Features Number Of Speakers 5 Speakers Max. Power Output 15.4 watt (RMS) Connection Type Wired Subwoofer Yes Dimensions Speaker Width 8.13 cm Speaker Height 21.34 cm Speaker Depth 12.7 cm Subwoofer Width 16.51 cm Subwoofer Height 28.58 cm Subwoofer Depth 24.76 cm