Trust 2.1 Speaker Set SP-3050, 2.1 channels, Black, 2 W, 5 W, 130 x 150 x 130 mm, 45 x 105 x 20 mm Trust 2.1 Speaker Set SP-3050. Audio output channels: 2.1 channels, Product colour: Black. Satellite speakers RMS power: 2 W. Subwoofer RMS power: 5 W, Subwoofer dimensions (WxHxD): 130 x 150 x 130 mm. Dimensions (WxDxH): 45 x 105 x 20 mm