JBL BASS PRO 12 30cm 150W Active subwoofer box 570 x 371 x 305 mm CarHifi | eBay
BassPro SL | Powered, 8" (200mm) car audio under seat woofer system
JBL STAGE 800BA - 8" Ported Powered Active Car Subwoofer 200W Amplified System | eBay
JBL SRX828SP 2000-Watt Dual 18" Active Subwoofer | Reverb
JBL BassPro SL 8" Loaded Subwoofer Enclosure with Integrated 125W Amp Black BASSPROSL - Best Buy
JBL PRX915XLF 15-inch Powered Subwoofer with Casters and Cover | Sweetwater
JBL Stage A100P | Home Audio Loudspeaker System
JBL Stadium 102SSI Stadium Series 10" component subwoofer with switchable 2- or 4-ohm impedance at Crutchfield
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 PRX518S 500-watt 18" Active Subwoofer • Available from ChurchGear
Active Subwoofer Jbl Stage 800ba Enclosure - Subwoofers - AliExpress