Rated Impedance: 500Ω(20 W), 1000Ω(10 W), 2000Ω(5 W)
Rated Power: 20 W
Max. Power: 30 W
Sensitivity: 89 dB ± 3dB , 1W/1M 
Frequency Range: 100 Hz ~  20 KHz -10dB / ±20% Hz
Whistling : 50 Volts   at   20W Tap
Rated Voltage: 100 V
Power Taps: 20-10-5W
Termination: Cable
Cabinet: ABS
Dimension: 320 ^L x 230 ^H x 270 ^D mm
Weight: 4.5 kg