Panasonic SC-BT222EB-K. Optical disc player type: Blu-Ray. RMS rated power: 500 W, Audio output channels: 2.1. Satellite speakers RMS power: 250 W. Subwoofer impedance: 6 Ом. Subwoofer dimensions (WxDxH): 145 x 289.5 x 258 mm, Subwoofer weight: 2800 g