Dual 18\" Heavy Hitter Ported Subwoofer Box 1\" MDF High SPL USA Built For Sale

Atrend USA Built Performance Enclosure Dual 18 in Ported High SPL Output-Heavy Duty Subwoofers- All 1 in Enclosure - Proudly USA Built - Supreme Terminal Binding Posts

Dimensions47 x 22 x 25W x H x D inches Tuning32 Hzported/sealed spec Volume6.5 cu ftnet airspace Mounting Depth23.55\"verify woofer fitment Material1\" Premium MDFpremium construction FinishPremium Black Carpetinstall-ready look Performance Tuned

Built to Stay Tight

Heavy-Duty 1\" Construction Advantage

Where this model uses 1\" MDF construction or all-1\" build details, it is a step up from standard 3/4\" enclosure construction. The thicker structure adds mass, rigidity, and durability for high-output systems.

More Rigidity
Helps reduce panel flex under heavy bass loads. Extreme Durability
Built for demanding SPL and high-power applications. Cleaner Response
A stronger box structure supports tighter, cleaner bass performance. Complete Product Details Item ID407104671624 Listing SKU18-HHDV Atrend Model18-HHDV CompatibilityDual Vented, Heavy Hitters ConfigurationDual 18\" vented enclosure Outside Dimensions47 x 22 x 25 Net Volume6.5 cu ft Tuning Frequency32 Hz Subwoofer Mounting Depth23.55\" Material Thickness1\" Premium MDF Outside FinishPremium Black Carpet Additional NotesTested for Optimal Sub Response Buyer Fitment Check 1Confirm your exact subwoofer model, cutout needs, and mounting depth. 2Measure available vehicle space before ordering. 3Match the enclosure specs to your system goals and installation plan. USA Based. Over 30 Years Building Boxes.

We are a USA-based company with over 30 years of experience building subwoofer enclosures, speaker boxes, and installation-ready audio solutions.

Included: enclosure only. Subwoofers, amplifiers, wiring, and accessories are not included unless specifically shown or stated in this listing.