Logitech Z523, 2.1 channels, 40 W, Black, 10%, 9.5 W, 21 W
Logitech Z523. Audio output channels: 2.1 channels, RMS rated power: 40 W, Product color: Black. Total Harmonic Distortion (THD): 10%. Satellite speakers RMS power: 9.5 W. Subwoofer RMS power: 21 W, Subwoofer driver diameter (imperial): 4", Subwoofer dimensions (WxHxD): 9.06 x 9.45 x 10.1" (230 x 240 x 256 mm). Connectivity technology: Wired