Logitech Z313. Audio output channels: 2.1 channels, RMS rated power: 25 W, Recommended usage: PC/Laptop. Satellite speakers RMS power: 5 W, Satellite speaker dimensions (WxDxH): 3.19 x 3.5 x 5.75" (81 x 89 x 146 mm), Satellite speaker weight: 8.47 oz (240 g). Subwoofer RMS power: 15 W, Subwoofer dimensions (WxDxH): 8.66 x 5.91 x 8.98" (220 x 150 x 228 mm), Subwoofer weight: 5.07 lbs (2.3 kg). Power source: AC, Power plug type: Type C. Connectivity technology: Wired, Line-in connectivity: 3.5 mm, Headphone connectivity: 3.5 mm