Bose Cinemate II. Audio output channels: 2.1, Recommended usage: Home theatre. Amplification device type: stereo receiver, Amplification device form factor: built-in, Amplifier/receiver input interface type: RCA, Terminals. Power source: AC. Satellite speaker dimensions (WxDxH): 188 x 127 x 86 mm, Satellite speaker weight: 12 kg, Subwoofer dimensions (WxDxH): 222 x 485 x 367 mm