Amazon.com: JBL 8" Car Audio Subwoofer : Electronics
JBL BassPro Nano Compact powered subwoofer with 6"x8" sub and 100-watt amp at Crutchfield
JBL 2.1-Channel Soundbar with Wireless Subwoofer and Dolby Digital Black JBL2GBAR21DBBLKAM - Best Buy
JBL JRX218S 18 inch Passive Subwoofer | Sweetwater
Club 1024 | 10" (250mm) and 12" (300mm) car audio subwoofers
JBL MS10LB - Two Oem Replacement Marine 10 Inch Black Subwoofers with RGB LEDs - 4-Ohm - Creative Audio
1 Pair (QTY 2) of JBL STADIUM122SSI 12” High Performance 1350 Watts Peak Power Car Audio Subwoofers with SSI (Selectable Smart Impedance) - Road Entertainment
S3-1224 | 12" (300mm) high-performance car audio subwoofer
1 Pair (QTY 2) of JBL Club 1224 12" 1100 Watts Peak Power Car Audio Subwoofers with Selectable Smart Impedance - Road Entertainment