LAB SlapBox™ 1.50 ft^3 Ported MDF Enclosure Box for Single DD Audio 3500 10 Subwoofer
Qpower Qbass Dual 12 Inch Heavy Duty Mdf Material Car Audio Subwoofer Enclosure Boxes With Shared Slot Port Vent And Dual Chamber Design, Charcoal : Target
A new Dual 12″ Sub-Box to House Two DD-512-D4 Sub-Woofers – Abtec Audio Lounge Blog
DD AUDIO LE-508.3 3 x 8" 3000W SUBWOOFER LOADED ENCLOSURE BOX BASS SPEAKERS NEW | eBay