Quadral Quintas 6000. Audio output channels: 5.0, RMS rated power: 285 W. Satellite speaker impedance: 8 Ом. Center speaker impedance: 8 Ом. Front speaker dimensions (WxDxH): 265 x 305 x 953 mm, Front speaker weight: 15500 g, Center speaker dimensions (WxDxH): 435 x 210 x 138 mm