Logitech X-540 , 5.1 channels, 70 W, Black, 140 W, 7.4 W, 25 W
Logitech X-540 . Audio output channels: 5.1 channels, RMS rated power: 70 W, Product color: Black. Satellite speakers RMS power: 7.4 W. Subwoofer RMS power: 25 W, Subwoofer driver diameter (imperial): 5.236", Subwoofer dimensions (WxHxD): 6.5 x 11.3 x 9.76" (165 x 286 x 248 mm). Dimensions (WxDxH): 4.76 x 9.76 x 11.3" (121 x 248 x 286 mm). Connectivity technology: Wired