Query: 12"custom sub box
Q Power QBOMB12VL SINGLE Single 12-Inch Side Ported Speaker Box with Durable Bed Liner Spray
Car Audio Dual 12" SPL Bass Subwoofer Labyrinth Vent Sub Box Stereo Enclosure
Belva MDFD12 Dual 12-inch Car Subwoofer Box Sealed 3/4-inch MDF Prelined Polyfil
Bbox E12SVPro-Series 12” Single Vented Subwoofer Enclosure