JL Audio JD250/1 Class D Amplifier + 12W0v3-4 12" Subwoofer Bundle
JL Audio 12W0V3-4 300 Watt Subwoofer with sealed enclosure – Car Concepts Shop
Amazon.com: Atrend 12JLX3SV JL Audio 12” Single Vented Subwoofer/Speaker Enclosure Compatible with WX & W3 Series Subwoofers. Made in USA : Electronics