Logitech X-620, 6.1 channels, 70,1 W, 75 dB, 24,3 W, 102 x 108 x 127 mm, Wired Logitech X-620. Audio output channels: 6.1 channels, RMS rated power: 70,1 W. Signal-to-Noise Ratio (SNR): 75 dB. Subwoofer RMS power: 24,3 W. Dimensions (WxDxH): 102 x 108 x 127 mm. Connectivity technology: Wired