Trust 2.1 Speaker Set SP-3700T UK, 2.1 channels, 5 W, 15 W, 8.5 x 9.72 x 8.5" (216 x 247 x 216 mm), Wired Trust 2.1 Speaker Set SP-3700T UK. Audio output channels: 2.1 channels. Satellite speakers RMS power: 5 W. Subwoofer RMS power: 15 W, Subwoofer dimensions (WxHxD): 8.5 x 9.72 x 8.5" (216 x 247 x 216 mm). Connectivity technology: Wired