ELITE Z12 12" Car Stereo Subwoofer 1600W Max Dual 4 Ohm - Limitless Lithium
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