JBL Stage 1210 Subwoofer | 12" (300mm) woofer with 250 RMS and 1000W peak power handling.
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
JBL 12" Car Audio Subwoofer CX1200 1000 Watt for sale online | eBay
JBL CS1214T 1000-Watt, Bass Tube with 12" (30 cm), Car Audio Subwoofer, Black | eBay