Impedance = 4 Ohm
Power Recommendation = 20-100W
Power RMS = 80W
Resonance frequency = 850 Hz
Frequency response = 2-30 kHz (recommended 4-30kHz)
SPL 1W/1 Meter = 90,5dB
Outer diameter = 49 mm
Mounting diameter = 44 mm
Mounting Depth = 20 mm.