NVX 12-inch True 1000 watt RMS 2000 watts Peak Professional Grade Dual 2-Ohm Car Subwoofer 3-Dimensional Die Cast Aluminum Basket [VCW122] Power Handling: 1000 Watts RMS - 2000 Watts Peak 3.0 High Temperature Aluminum Voice Coil Custom High Roll Foam Surround With Nylon Stitching delivers improved linearity and MORE output Woven Fiber Pressed Paper Cone helps reproduce tight and accurate bass with minimal cone distortion Dual Nomex Poly-Cotton Spiders are designed to be durable and long-lasting 12&#034; Dual 2-ohm VC-Series Car Subwoofer Power Handling: <ul class="a-unordered-list a-vertical"> RMS Power Range: 850-1000 watts Impedance: Dual 2 ohms Pressed paper cone with woven fiber top High excursion foam surround Cast aluminum basket for maximum rigidity Dual Poly-Cotton Spiders 3&#034; Aluminum Voice coil 195oz. Triple stacked Ferite magnet motor structure with protective rubber boot Sensitivity: 85 dB Frequency response: 20-200 Hz Resonance Frequency (Fs): 24 Hz Total Speaker Q Value (Qts): 0.454 Electrical Q Value (Qes): 0.486 Optimal sealed box volume: 0.85 cubic feet tuned at 37 Hz Optimal ported box volume: 1.85 cubic feet tuned at 30 Hz Top-mount depth: 7&#034;