Features High excursion foam surround True Carbon fiber dust cap Custom Die cast Aluminum Basket Triple Layer Progressive dampeners Large Gauge push speaker terminals 3-inch-high temperature 4-layer voice coil Custom Rubber protective magnet band Triple stacked Y35 ferrite oxide magnet Specifications Structure 12" (30.48cm) Woofer Dynamic Power Handling 8000 Watts Nominal Power Handling 4000 Watts Impedance Dual 2 Ω Voice Coil PARAMETERS Resonant Frequency (fs) 30.346Hz D.C. Voice Coil Resistanc