JBL GT-BassPro12 Ported powered subwoofer with 12" sub and 150-watt amp at Crutchfield
JBL Stadium 122SSI
JBL® Expands Aftermarket Subwoofer Line-up with Additional Audio Solutions for Every Vehicle | Business Wire
JBL Powered Subwoofers at Crutchfield
Jbl Arena X 12" Car Subwoofer - Each : Target
BassPro SL | Powered, 8" (200mm) car audio under seat woofer system
Amazon.com: JBL Club 1024 - 10” Subwoofer w/SSI (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
Amazon.com: JBL Club WS1200 12" Shallow Mount subwoofer w/SSI (Selectable Smart Impedance) Switch from 2 to 4 ohm Bundled with Alphasonik Earbuds : Electronics
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 Grand Touring Series GTO1004D 10" subwoofer with dual 4-ohm voice coils at Crutchfield