Rated Impedance: 8Ω ± 15% at  600  Hz
Rated Power: 40 W
Max.Power: 80W
Sensitivity(1W/M): 86dB ± 3dB , 1W/1M
Frequency Range: 40 Hz ~20KHz  -10dB / ±20% Hz
Resonance Frequency: 68 Hz ± 20%
Whistling: 9 Volts  
Membrane: PP cone and rubber surround
Basket / Baffle        : ABS / White
Dimension: 306.5^L x 220 ^W x 91.3 ^D mm
Weight: 1.81 kgs