Specifications:-

Type: 4” 15WRMS Woofer Speaker Driver
Warranty: 12 Month
Brand: MaxAV

• Nominal Impedance:4 Ohms
• Power Handling: 15WRMS, 40W Program Power (peak)

Test Parameter Data (T/S, Thiele/Small):

• Rated Impedance:4
• Power Handling: 15WRMS
• Program Power (peak): 40W
• Nominal Diameter: 4 Inch
• Sensitivity (1m/1w/2.38v):86
• Frequency Range: 85-10000Hz
• Voice Coil Diameter: 25.4mm
• Voice Coil Length: 8mm
• Air Gap Height: 4mm
• Winding Material: Cu
• Magnet: 10 Oz
• F0, Fs (Resonant Frequency): 88.4
• Revc (D.C. Voice Coli Resistance):4
• Qms (Mechanical Quality Factor): 4.13
• Qes (Electrical Quality Factor): 1.19
• Qts (Total Quality Factor): 0.928
• BL (Bl Factor): 4.02
• Mms (Moving Mass): 6.243
• Cms (Equivalent Air Volume to Cms): 519
• Sd (Effective Surface Area): 7.543
• Vas (Displacement Volume): 4.19
• Levc (Voice Coil Inductance): 205.31
• XMAX (Maximum Displacement): ±2
• η0 (Efficiency): 0.37%