Gravity 12 Inch 3000 Watt Car Audio Subwoofer w/ 4 Ohm DVC Power 12" SUB X1 Bundle - Walmart.com
Amazon.com: Massive Audio SUMMOXL124-12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
TWO HIPPOXL122R - 12" 3000 WATTS RMS DUAL 2 OHM 4" V.C. MEGA SUBWOOFER | eBay