Amazon.com: JBL BassPro SL2 Active Underseat Car Subwoofer with Built in Amplifier - Under Seat 8'' Subwoofer Car with 125 Watt Power Amplifier : Electronics
JBL SRX828SP 18" Dual Self-Powered 2000W Active Subwoofer PA / DJ / Club System
JBL PRX915XLF 15" Powered Subwoofer Black | Guitar Center
JBL PRX518S 500-watt 18" Active Subwoofer • Available from ChurchGear
JBL SUB150 Powered Active Subwoofer 10" 150W | eBay
JBL STAGE 800BA - 8" Ported Powered Active Car Subwoofer 200W Amplified System | eBay
JBL PRX815XLFW 1500W 15 Active Subwoofer Used
JBL EON618S Active Subwoofer Speaker (1000 Watts, 1x18")
JBL PRX818XLFW 1500W 18 Active Subwoofer | GigaSonic