W12K9D4 V3 12" K9 Series Car Subwoofer, 4000W Peak/1000W RMS, Dual 4-Ohm, Ultra-Stiff Cone, Double-Stacked Magnet, for Car Audio Bass Systems

HIGH POWER HANDLING: Capable of handling 4000W peak, 2000W program, and 1000W RMS for robust, distortion-free bass in your vehicle. FLEXIBLE WIRING: Equipped with dual 4-ohm voice coils featuring a 3" 4-layer aluminum former wound with OFC wire for effective performance. PREMIUM BUILD: Constructed with an ultra-stiff non-pressed paper cone, thick foam surround, and heat-resistant aluminum voice coil for lasting durability. COOLING & PERFORMANCE: Incorporates improved ventilation, an inner dustcap, and a voice coil spacer for better cooling and consistent reliability. HEAVY-DUTY DESIGN: Boasts a double-stacked 190 oz magnet, a cast aluminum basket, and 83dB sensitivity; functions in sealed or ported enclosures