JBL STAGE 3 607CF 6.5" 2-Way Car Component Speaker System 6-1/2" STAGE3 607CFAM 50036353977 | eBay
Buy JBL SUBBPSL2 Car subwoofer active | Conrad Electronic
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 Club 1024 10" component subwoofer with switchable 2- or 4-ohm impedance at Crutchfield
Amazon.com: JBL Dual 12" Car Audio Ported Enclosure, Black : Electronics
S3-1224 | 12" (300mm) high-performance car audio subwoofer