JBL ARENA10 Arena Series 700W 10" Dual 2 or 4 ohms Component Car Audio Subwoofer | eBay
JBL BassPro Nano Compact powered subwoofer with 6"x8" sub and 100-watt amp at Crutchfield
JBL BassPro 12 Ported powered subwoofer with 12" sub and 150-watt amp at Crutchfield
JBL JRX118S 18" Passive Subwoofer
JBL STADIUM82SSI 8" High Performance Automotive Audio Woofers - Open Box - Creative Audio
JBL EON718S 1500-watt 18-inch Powered PA Subwoofer | Sweetwater
Amazon.com: JBL Club 1224 - 12” Subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
JBL JRX218S 18 inch Passive Subwoofer | Sweetwater
1 Pair (QTY 2) of JBL STADIUM122SSI 12” High Performance 1350 Watts Peak Power Car Audio Subwoofers with SSI (Selectable Smart Impedance) - Road Entertainment
HARMAN Launches New JBL CLUB Subwoofers in Its Value Performance Line | HARMAN