JL Audio 12W3v3-2 W3v3 Series 12" 2-ohm subwoofer at Crutchfield
Amazon.com: Atrend 12JLX3SV JL Audio 12” Single Vented Subwoofer/Speaker Enclosure Compatible with WX & W3 Series Subwoofers. Made in USA : Electronics
JL Audio E-Sub e112-Ash subwoofer
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JL Audio® 12" Subwoofer Driver | Audio Express | Western United States
JL Audio 12W3v3-2 12" Subwoofer Driver - Black for sale online | eBay