51 speaker system colour black transmission mode cable number of speakers 6 components 1x subwoofer 2x surround 1x centre 2x front impedance 8 ohm front speaker types mdf enclosure 2 way closed magnetically shielded front enclosure 1 x 25mm tweeter power handling capacity front 130 watt frequency range front 50 45000 hz dimensions front wxhxd 158 x 433 x 199 mm front weight 53 kg central speaker types mdf enclosure 2 way closed magnetically shi