Impedance = 4ohm
Power recommendation = 20-100W
Power RMS = 100W
Resonance frequency = 730 Hz
Frequency response = 1,4-30 kHz (Recommended 3 - 30 kHz)
SPL 1W/1 Meter = 91dB
Outer Diameter = 58 mm
Mounting Diameter = 52 mm
Mounting Depth = 36 mm.