JBL Stage 1210 Subwoofer | 12" (300mm) woofer with 250 RMS and 1000W peak power handling.
JBL Stage 122D 12" 1000W Peak Power Dual 4 Ohm VC Car Audio Subwoofer (Single) - Road Entertainment
JBL Stadium 122SSI Stadium Series 12" component subwoofer with switchable 2- or 4-ohm impedance at Crutchfield
Amazon.com: JBL JRX212 1,000 Watt 12" Inch 2-Way DJ P/A Speaker Floor Wedge Monitor Bundle with Rockville RockPAR50 LED RGB Compact Par Can DJ/Club/Stage DMX Wash Light - White : Musical Instruments