MODEL: TSU-150 FREQUENCY RESPONSE:Testing HORN: TH-20 Equipment: DAAS SYSTEMDRIVER UNITINPUT POWER: 150 WattIMPEDANCE: 8 ohmSOUND PRESSURE LEVEL(1W/M): 110 dB (at 1000Hz)FREQUENCY RESPONSE: 150-5000HzVOICE COIL: 66 TIL . EI WireMAGNET: 40 OZDIMENSION: 145(D) * 90(D) mmWEIGHT: 3.3KGSCOLOR: Gray