51 speaker system transmission mode cable front speakercentresurround connection to subwoofer number of speakers 6 components 1x subwoofer 2x surround 1x centre 2x front impedance 8 ohm front speaker build type standing speaker front speaker types 3 way removable front cover bass reflex system mdf enclosure front enclosures 1 x 25mm tweeter 1x 200mm subwoofer 2x 100mm midrange speaker music handling capacity front 140 watt dimensions front wxhxd 150 x 9