New JBL BassPro 12 Ported Powered subwoofer with 12" sub and 150-watt amp - Walmart.com
JBL PRX418S 1600W 18 inch Passive Subwoofer | Sweetwater
JBL Club A600 High Performance Compact Class D Car Audio Mono Subwoofer Amplifier Bundle with 8" 1600W Max Power High-Performance Car Audio Subwoofer and Amplifier Wiring Kit - Road Entertainment
JBL Arena X | 800W RMS 12" 2-Ohms Component Car Subwoofer
4)JBL 6.5" Coax Car upgrade Speakers & 4 Channel Class D 1600 Watt Amplifier | eBay