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 Stage 1220b - Dual 12" Stage subwoofers mounted in a slot-ported enclosure - Preloaded car subwoofer boxes - Custom Sounds & Tint
JBL Stage 1200S Sealed enclosure with one 12" subwoofer at Crutchfield
JBL JBLSTAGE1220BAM 2-12" Loaded Subwoofer Enclosure with JBL Club-A6001A 600 Watt Mono Amplifier and Wiring Kit - Creative Audio
New (2) 12” inch JBL Subwoofers + JBL 1200 Watts Max Monoblock Bass Amplifier w/ Speaker Box {No Credit Easy Financing} for Sale in San Jacinto, CA - OfferUp
Subwoofer Box JBL GTO1202D | Ported Box | Slot
LAB SlapBox™ 2.25 ft^3 Ported MDF Enclosure Box for Single JBL MS-12SD2 / MS-12SD4 Subwoofer