SPL-12SV2 12" Single Side Ported Subwoofer Enclosure with Rugged Coat – Atrend USA
D4S SUBWOOFER BOX
Rockville DV12K6D1 Dual 12" 4800w Car Audio Subwoofers Plexi Sub Enclosure Box - Rockville Audio
Qpower Qbass Dual Vented 12 Inch Heavy Duty Mdf Material Single Car Audio Subwoofer Enclosure Box With 2 Vents For Better Heat Management, Charcoal : Target
Roswell R1 12" Sub Enclosure Marine ported single subwoofer enclosure at Crutchfield
Next Level Fabrications 2x 12" Flat Pack Ported Enclosure Kit - SSA STORE