DB Drive WDX12G2 12" Subwoofer 2500W Max, 2 or 4 Ohm

WDX12G2.4 / WDX12G2.2 PARAMETERS Resonant Frequency (fs) 41.5Hz D.C. Voice Coil Resistance (Re) 2 x 3.2Ω Mechanical Quality Factor (Qms) 3.96 Electrical Quality Factor (Qes) 0.55 Total Quality Factor (Qts) 0.48 Equivalent Air Volume to Cms (Vas) 23 L Mass of Diaphragm/Coil (Mms) 252.3 g Force Factor (Bl) 27.7 Sound Pressure Level (SPL) 86.6dB Outside Diameter  12.95″ (329mm) Cutout Diameter  11.34″ (288mm) Mounting Depth  7.58″ (192.5mm) 3.0″ Anodized aluminum high temperature voice coil Non-Pressed paper cone Double stitched foam surround Dual poly-cotton dampeners Die-cast aluminum vented basket Rubber gasket trim ring Large gauge compression terminals Protective magnet cover