Pioneer TS-W300D4 12″ 1600W MAX Power DVC 4-Ohm Component Subwoofer Single Sub | eBay
BOSS Audio Systems PD12LED Phantom Series 12 Inch Car Audio Subwoofer - 1600 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck Boxes and Enclosures, Hook Up To Amplifier
BOSS Audio Systems P12SVC Phantom Series 12 Inch Car Audio Subwoofer - 1600 Watts Max, Single 4 Ohm Voice Coil, Sold Individually, For Truck Boxes and Enclosures, Hook Up To Amplifier