51 speaker system transmission mode cable number of speakers 6 components 1x subwoofer 2x surround 1x centre 2x front impedance 8 ohm front speaker types closed 2 way front enclosures 1x 75mm midrange speaker 1 x 32mm tweeter power handling capacity front 60 watt frequency range front 130 20000 hz dimensions front wxhxd 200 x 96 8 x 99 5 mm front weight 08 kg central speaker type closed central enclosure 2x 75mm midrange speaker frequency range c