Specification Model PM-8001 PM-1001 PM-1201 PM-1501 Frequency Response(Hz) 65~2000HZ 55~2000HZ 45~2000HZ 35~2000HZ Sensitivity(dB)(1m@1w) 92dB 94dB 96dB 98dB Rated Power(w) 150W 200W 250W 300W Nominal Impendance(Ohms) 8 Ohms 8 Ohms 8 Ohms 8 Ohms Crossover Frequcency(Hz) 3.5KHz 3.2KHz 3.2KHz 3.2KHz Max SPL(dB) 101dB 103dB 106dB 108dB Driver LF: PD-2501 PD-3401 PD-3401 PD-4401 HF: PW-8002 PW-1002 PW-1203 PW-1503 Weight(Kg)