JBL GTO Series GT120 12" 4-ohm Subwoofer at Crutchfield
For JBL Xtreme 2 series 2.75-inch mid-woofer speaker, enthusiast dual magnetic | eBay
JBL 2242HPL 18" LF Transducer - Speaker Exchange
JBL Arena X 12" Car Subwoofer - Each | World Wide Stereo
JBL-EON718S | JBL Professional Loudspeakers | English
JBL Stadium 102SSI Stadium Series 10" component subwoofer with switchable 2- or 4-ohm impedance at Crutchfield
Amazon.com: JBL Club 9630 480 Peak Power 6x9 3 ohm Club Series 3-Way UV-Resistant Polypropylene Woofers Coaxial Car Audio Stereo Speakers Grilles Included Bundled with Alphasonik Earbuds : Electronics