12 INCH SUB BOX ENCLOSURES

Why Choose a 12” Subwoofer Box from Down4Sound?

When you want to feel every note of your bassline, our 12 inch sub boxes deliver. Designed with competition-level airflow and kerf-ported designs, each enclosure maximizes output while keeping your sub safe and responsive. We offer a full range of options—from single 12 inch enclosures to dual setups tuned to 32Hz.

Our PRO-FAB and Team D4S series boxes are CNC-cut from high-grade MDF or premium birch wood, braced for strength, and coated in a durable black bedliner finish. Whether you're building a daily driver or a show car, these enclosures are precision-tuned and pre-tested by the Down4Sound team.

• Kerf-ported for tighter, deeper lows
• Dual & single 12” sub options available
• Built with CNC-cut MDF or birch wood
• Black bedliner finish for durability & style
• Ships fast from our U.S. warehouse

Need help choosing? Ask our team or check our Sub Box Guide to match your subs perfectly. Let the bass drop—with Down4Sound.