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Amazon.com: JBL Club 1224 - 12” Subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
Amazon.com: JBL 12" Car Audio Subwoofer, Black : Electronics
JBL STADIUM122SSI 12" High Performance Automotive Audio Subwoofer with Selectable Impedance - Creative Audio
Amazon.com: JBL Club 1024 - 10” Subwoofer w/SSI (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
JBL BassPro 12 | 12" (300mm) Car Audio Powered Subwoofer System with Slipstream Port Technology
JBL® Expands Aftermarket Subwoofer Line-up with Additional Audio Solutions for Every Vehicle | Business Wire
JBL Grand Touring Series GTO1004D 10" subwoofer with dual 4-ohm voice coils at Crutchfield
JBL Stadium 1024 Stadium Series 10" component subwoofer with switchable 2- or 4-ohm impedance at Crutchfield
W12GTI II | 12 inch Differential Drive Design Subwoofer
JBL GT-BassPro12 Ported powered subwoofer with 12" sub and 150-watt amp at Crutchfield
Amazon.com: JBL Single 12" Car Audio Subwoofer Sealed Enclosure, Black : Electronics
JBL Stadium 122SSI
Amazon.com: JBL 12" Dual 4ohm DVC Car Subwoofer : Electronics
W12GTI II | 12 inch Differential Drive Design Subwoofer
Amazon.com: JBL Club WS1000 - 10” shallow mount subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
Amazon.com: JBL 8" Car Audio Subwoofer,Black : Electronics
JBL BASSPRO 8" Single-Voice-Coil Loaded Subwoofer Enclosure with Integrated Amp Black SUBBPSL2AM - Best Buy
CS1214 | 30 cm (12 inch) subwoofer, with double magnet suitable for enclosed, bass reflex and bandpass boxes
CS1214 | 30 cm (12 inch) subwoofer, with double magnet suitable for enclosed, bass reflex and bandpass boxes
JBL GX Series 12" Single-Voice-Coil 4-Ohm Subwoofer Black GX1200 - Best Buy
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