JBL Power P1020D 10" Dual 2-ohm Component Subwoofer at Crutchfield
JBL BOX Woofer | Sub Woofer with BOX | Croooober
BOSS Audio Systems AR120DVC Armor Series 12 Inch Car Audio Subwoofer - 1600 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck, Boxes and Enclosures, Use With Amplifier - Walmart.com