JBL PRX918XLF Pro Audio 18-Inch Powered Subwoofer 2000 Watts DJ Active Sub.
Amazon.com: Sound Town 2-Pack 18" 2000 Watts Powered Subwoofers with Speaker Outputs, DJ PA Pro Audio Sub with 4-inch Voice Coil (METIS-18SPW2.1-Pair) : Musical Instruments
Sundown Audio X12 v.3 12" Car Subwoofer 2000 Watts DVC
1x Gravity 12 Inch 2000 Watt Car Audio Subwoofer w/ 2 Ohm DVC Power 12 in. Sub | eBay