Panasonic Surround-Set. RMS rated power: 600 W, Audio output channels: 5.1. Center speaker dimensions (WxDxH): 25 x 14.5 x 14 mm, Center speaker weight: 1550 g, Subwoofer dimensions (WxDxH): 16.2 x 45.7 x 42 mm. Surround speaker dimensions (WxHxD): 13.5 x 29.5 x 14.5 mm, Surround speaker weight: 1550 g