Amazon.com: Atrend 12JLX3SV JL Audio 12” Single Vented Subwoofer/Speaker Enclosure Compatible with WX & W3 Series Subwoofers. Made in USA : Electronics
JL Audio CP112-W0v3Mickey Shorr | Michigan's Largest Mobile Electronics Retailer
Old School JL Audio 12W0-12 12” SVC Subwoofer, Hard to fine | eBay
JL Audio 12W6v3-D4 W6v3 Series 12" subwoofer with dual 4-ohm voice coils at Crutchfield