MS-D7000.14 OHM RMS POWER ; 13 V 2439W x 1 2 OHM RMS POWER ; 13 V 4384W x 1 1 OHM RMS POWER ; 13 V 7300W x 1 1 OHM RMS POWER ; 15V ; 7668W x 1 1 OHM RMS POWER ; 15V 10% THD : 9344Wx1 FREQUENCY RESPONSE ; 15Hz ~ 270Hz SIGNAL TO NOISE RATION ; 85dB INPUT SENSITIVITY ; 6V ~ 0.2..