American Bass Dual XMAXXX Monster 12" Ported Enclosure - 5.0 Cu Ft @ 32Hz Engineered specifically for the American Bass XMAXXX Monster 12" subwoofer, this enclosure delivers optimal airspace and tuning for deep, controlled bass response. Enclosure Specifications: Net Volume: 5.0 cubic feet Tuning: 32 Hz Port Area: 72.0 sq in Port Size: 16.0" x 4.5" Cutout: 11.125" 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: 38.375" Depth: 22.0" 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.