ALL CUSTOM" Subwoofers!? Custom Ported Box Enclosure with (2) 15" LOUD System! - YouTube
Custom Sub Enclosure | Affordable Sub Box
Jeep Unlimited Gets a Green Bay Packers Style Custom Subwoofer Box and Stereo | Orlando Custom Audio
10" Dual Series Vented Subwoofer Enclosure for Car Audio - High Powered Sub Woofer Speaker with a 10 Inch Silver Paper Cone and Built-in Illuminating LED Lights - 2x500 Watt Max Power -