This THX-Certified 2.1 PC speaker system delivers powerful sound with 200 watts of power for big, bold audio. The Logitech Z623 2.1 Speaker System features THX Certified Sound in Black. This 2.1 system delivers powerful sound with 200 watts (RMS) of power—for big, bold audio. Satellite speakers RMS power: 35 W, Satellite speaker dimensions (WxDxH): 117 x 126 x 196 mm, Satellite speaker weight: 1.75 kg. Subwoofer RMS power: 130 W, Subwoofer dimensions (W x D x H): 305 x 266 x 284 mm, Subwoofer weight: 7 kg. Power source: AC, Power plug type: Type C. Cables included: Audio (3.5mm), Audio Direct.