TRU SPEC Prefab Dual 8" Ported Subwoofer Enclosure Box Sundown SA 8" | eBay
Amazon.com: PyleUsa 8" Dual Subwoofer Box System - 400-Watt Slim Mount Truck Audio Subwoofer Box - Rear Vented Design with Built-in Illuminating LED Lights, 2x400 Watts Max Power : Electronics