Bose Companion 2. System type: 2.0 system, Recommended usage: PC, Speaker placement: Portable. Connectivity technology: Wired, Speaker interface type: Terminal. Width: 80 mm, Depth: 150 mm, Height: 190 mm. Package weight: 3 kg. Dimensions (WxDxH): 80 x 150 x 190 mm, Audio output channels: 2.0, Power source type: AC