Car Subwoofer by Massive Audio GTX102 - Woofer with Amazing Sound for Truck, Cars, Jeep - 10 Inch Car Audio 1400 Watt GTX Series Dual 2 Ohm, 2.5 Inch Voice Coil. Sold Individually - Newegg.com
MASSIVE AUDIO TOROX154 15" 1000W RMS DVC 4-OHM CAR AUDIO SUBWOOFER SUB TOROX – LifeAfterBass