Rated Impedance: 8Ω ± 15% at  600  Hz
Rated Power: 50 W
Max.Power: 100W
Sensitivity(1W/M): 88dB ± 3dB , 1W/1M 
Frequency Range: 40 Hz ~20KHz -10dB / ±20% Hz
Resonance Frequency: 60 Hz ± 20%
Whistling: 9 Volts  
D.C Resistance (Rdc): 6.2 Ω ± 10 %
Membrane: PP cone and rubber surround
Baffle: ABS / White
Dimension: 286Ф  x  121 H mm
Weight: 2.18 kgs