Rated Impedance: 8 Ω± 15%
Rated Power: 200 W
Max. Power: 400 W
Sensitivity (1W/M): 95 dB ± 3dB, 1W/1M
Frequency Range: 30 Hz ~ 4.3KHz -10dB / ±20% Hz
Resonance Frequency: 40 Hz ± 20%
Whistling : 15 Volts  
D.C Resistance (Rdc): 6.8 Ω± 10 %
Magnet: 180*95*20mm
Basket / Baffle        : Steel
Dimension: 390 ^Ф x170 ^D mm
Weight: 8 kg