JL Audio 10W0v3-4 W0v3 Series 10" 4-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 12W0v3-4 - 12 Inch / 300mm Subwoofer Driver 4 Ohm - Car subwoofers - Custom Sounds & Tint