Rated Impedance 312.5 ohm (32W), 625 ohm (16W), 1250 ohm (8W),2500 ohm (4W), 5000 ohm (2W) Rated Power 32 W Max.Power 50 W Sensitivity 106 dB ± 3dB , 1W/1M at 1.5K, 2K, 2.5K,3K Hz-Avg. Frequency Range 320 Hz ~ 8 KHz -10 dB / ±20% Hz Whistling 50 Volts at 32W Tap Rated Voltage 100 V Power Taps 32-16-8-4-2W Termination Cable Horn ABS Bracket Die-cast Aluminium Mesh Grille - Weight 2.7 kg