ORION HCCA 12Dual 4 Ohm Subwoofer, 2500W RMS, Car Subwoofers

12e; HCCA Series Dual 4 ohm Subwoofer RMS Power: 2500 watts Nominal power: 5000 watts Max Power: 10000 watts Polypropylene dust cap - moisture and UV resistant Balanced, NBR Foam (high density expanded polyester foam) surround Paper cone - moisture and UV resistant Custom Cast Aluminum frame Spider ring attachment screws 11mm Steel front plate/11 mm Steel back plate I pole piece T yoke assembly Large 3 stack ceramic magnets Top flat interlaced Conex spider Venting in Voice coil former. Part of the enhanced voice coil cooling system (forced convection) Cast aluminum rear pole piece heat sink with fins and vent hales High temperature (Polyester Amide Resin Coated) Copper clad Aluminum voice coil wound on an aluminum former Screen meshed areas to allow venting below spider to and keep foreign object out of the voice coil gap Bottom flat interlaced Conex spider with stitched and looped tinsel leads attached Impedance: 4x2 ohms 4e; Dual 4 Ohm Voice Coil Magnet Weight: 444.9oz. Sensitivity: 84 dB Mounting depth: 10-3/8e;