GRAND TOURING GTO 1514D | 15 inch Dual Voice Coil Subwoofer
GT5-10D | 10 inch Dual Voice Coil Subwoofer
JBL SRX828SP | 18" Dual Self-Powered Subwoofer System
JBL 5048239X 2279H 18-Inch Replacement Woofer for SRX828S | PSSL ProSound and Stage Lighting
S3-1224 | 12" (300mm) high-performance car audio subwoofer
New JBL® Aftermarket Subwoofers Offer Deep Accurate Bass for Drivers | HARMAN
JBL Control 28 Factory Speaker Replacement Woofer, 8 Ohms, 124-58001-00
Stage 1220B subwoofer enclosure | Dual 12" Stage subwoofers mounted in a slot-ported enclosure
Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics
JBL EON718S 18-inch Powered Subwoofer – Kraft Music
JBL EON718S 1500-watt 18-inch Powered PA Subwoofer | Sweetwater
JBL 5048239X 2279H 18-Inch Replacement Woofer for SRX828S | PSSL ProSound and Stage Lighting
Amazon.com: JBL 8" Car Audio Subwoofer,Black : Electronics