BOSS Audio Systems P156DVC Phantom Series 15 Inch Car Audio Subwoofer – 2500 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck Boxes and Enclosures, Hook Up To Amplifier
12" 5000W 2500 RMS MEGA BASS DUAL 2 OHM CAR SUBWOOFER | eBay
CSX Series 15D2 15" 2500w RMS Subwoofer by CAS (Open Box) - SSA STORE