Product Model: WG105-909B-PR-30-A (4-inch)
Nominal Impedance: 6Ω
Power (RMS): 30W
Maximum Power (Max): 60W
Voice Coil Diameter: 25mm
Magnetic Circuit: Neodymium Iron Boron
Resonant Frequency Fo (Fs): 66Hz
Sensitivity (SPLo): 80dB
Equivalent Volume (Vas): 2.638
Mechanical Q-Factor (Qms): 3.774
Electrical Q-Factor (Qes): 1.184
Total Q-Factor (Qts): 0.901
Mounting Height: 59mm±0.5
Total Weight: 653g
Diaphragm Material: Honeycomb Fiberglass Cone