Product Model: WG78-1650A-PR-20-D (3-inch)
Nominal Impedance: 4Ω
Power (RMS): 20W
Maximum Power (Max): 40W
Voice Coil Diameter: 20mm
Magnetic Circuit: 60*15
Resonant Frequency Fo (Fs): 116Hz
Sensitivity (SPLo): 82dB
Equivalent Volume (Vas): 633.765
Mechanical Q-Factor (Qms): 3.428
Electrical Q-Factor (Qes): 0.878
Total Q-Factor (Qts): 0.699
Mounting Height: 46mm±0.5
Total Weight: 340g
Cone Material: Silver Mica Diaphragm