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
SVS SB-3000 13" Sealed Subwoofers with 800W RMS, 2,500W Peak Power, Sealed Cabinet - Pair (Premium Black Ash) | World Wide Stereo