Subwoofer wireless subwoofer power rating 200 watt system 1 way system principle active frequency response 45 200 hz amplifier type digital power supply mains operation colour black housing surface veneer protective properties weather resistant control features onoff switchable phase control design down firing subwoofer speaker enclosure closed number of subwoofers 1 bass chassis 200 mm width 267 mm height 353 mm depth 267 mm weight 9 kg