DC Audio Dual Level 5 12" Ported Enclosure - 4.0 Cu Ft @ 32Hz Engineered specifically for the DC Audio Level 5 12" subwoofer, this enclosure delivers optimal airspace and tuning for deep, controlled bass response. Enclosure Specifications: Net Volume: 4.0 cubic feet Tuning: 32 Hz Port Area: 57.6 sq in Port Size: 16.0" x 3.6" Cutout: 11.15" Construction: 1" (24mm) Russian Baltic Birch - 17 ply Baffle: 1" (24mm) front baffle Bracing: 1" (24mm) center baffle brace Finish: Carbon gray stain with polyurethane topcoat Wiring: Pre-wired 10ga OFC with metal binding post Power Rating: High power systems Dimensions: Height: 18.0" Width: 33.875" Depth: 20.5" Handcrafted in the USA: Every enclosure is built with love, by hand, right here in the United States. Our refined assembly process produces enclosures with zero visible screw holes anywhere on the exterior - a clean, show-quality look that sets them apart from generic prefabs. Each box is fully glued with Titebond III for airtight integrity and long-term durability. Your enclosure arrives ready to install - just wire up your subwoofers and enjoy. Lead Time: Built to order. Ships in 2-3 weeks. All sales final.