newest design column speaker box line array system HM12-2.1model no.HM12-2.1SPECIFICATIONSubwoofer:System type :Active subwooferFrequency response:45Hz-150HzAmp Power :400W /RMS , Class DComponent :12"WooferSatellite :System type :2 way passiveComponent :4*4" woofer , 1" Neodymium tweeterFrequency response:150Hz-19KHzSensitivity (1w/1m): 96dBPower handing :100W/RMS*2Carton:(subwoofer):52.5*42.5*50Carton:(loudspeaker):_31.5*28.5*68*2pcsG.W/N.W(subwoofer):20kg/23.5kgG.W/N.W(loudspeaker):16.5kg/18kg