Product Model: WG105-908B-PR-20-D (4-inch)
Nominal Impedance: 4Ω
Power (RMS): 20W
Maximum Power (Max): 40W
Voice Coil Diameter: 25mm
Magnetic Circuit: 80*20
Resonant Frequency Fo (Fs): 124Hz
Sensitivity (SPLo): 82dB
Equivalent Volume (Vas): 826.969μL
Mechanical Q-Factor (Qms): 5.727
Electrical Q-Factor (Qes): 1.463
Total Q-Factor (Qts): 1.165
Mounting Height: 60mm±0.5
Total Weight: 797g
Cone Material: Fire-retardant Fiber Cone