Features 2″ Anodized aluminum high temperature voice coil Non-Pressed paper cone Double-stitched reinforced foam surround Dual poly-cotton dampeners Die-cast aluminum vented basket Rubber gasket trim ring Large gauge compression terminals Protective magnet cover Specifications Dynamic Power Handling: 1500 Watts Nominal Power Handling: 750 Watts Impedance: Dual 2Ω Voice Coil Resonant Frequency (fs): 47.28 Hz D.C. Voice Coil Resistance (Re): 2 X 2Ω Mechanical Quality Factor (Qms): 3.79 Electrical