Product Model: WG78-1651A-PC-20-D (3-inch)
Nominal Impedance: 4Ω
Power (RMS): 20W
Maximum Power (Max): 40W
Voice Coil Diameter: 25mm
Magnetic Circuit: 60*15
Resonant Frequency Fo (Fs): 105Hz
Sensitivity (SPLo): 81dB
Equivalent Volume (Vas): 802.608
Mechanical Q-Factor (Qms): 3.609
Electrical Q-Factor (Qes): 1.012
Total Q-Factor (Qts): 0.79
Mounting Height: 45mm±0.5
Total Weight: 341g
Cone Material: Yellow Fiberglass Cone