Rated Impedance: 8Ω ± 15% at  300  Hz
Rated Power: 50 W
Max. Power: 100W
Sensitivity (1W/1M): 84dB ± 3dB , 1W/1M
Frequency Range: 80 Hz ~20KHz   -10dB / ±20% Hz
Resonance Frequency: 140 Hz ± 20%
Whistling : 9 Volts  
Membrane: PP cone and rubber surround
Basket / Baffle: ABS / White
Dimension: 358 ^L x 255.5 ^W x 107.5 ^D mm
Weight: 3.0 kgs