Custom Ported Sub Box Subwoofer Enclosure for 3 8" JL Audio 8W7 W7 8W7AE-3 Subs | eBay
8" Single Ported / Vented Reinforced Sub Box Subwoofer Enclosure For JL Audio W7 | eBay
Amazon.com: Seismic Audio - SA-BPT08-A - Active 8 Inch Car Audio Subwoofer Tube Speaker - 400 Watt Sub Speaker Enclosure 4 Ohm with Rear Vent : Electronics
JL Audio CP208LG-W3v3 MicroSub™ slot-ported enclosure with dual 8" W3v3 subwoofers at Crutchfield
LAB SlapBox+™ x JL Audio 8-Inch "Active" Subwoofer System with Built-In Amplifier in Ported Enclosure Optimized vented box with integrated class D amp & 8" JL Audio W3v3 subwoofer
JL Audio ACP108LG-W3v3 : 8" Powered Subwoofer Enclosure - 250W Ported – Jackson Tint and Sound