Subwoofer system 1 way system principle active frequency response 30 120 hz amplifier type digital housing material mdf enclosure control features adjustable transition frequency switchable phase control speaker enclosure bass reflex number of subwoofers 1 bass chassis 200 mm subwoofer material woofer radiator analogue inputs analogue audio input rca 35mm jack line in width 308 mm height 290 mm depth 305 mm weight 1016 kg area of use home