Trinity Audio Dual M Series 12" Ported Enclosure - 4.8 Cu Ft @ 32Hz Engineered specifically for the Trinity Audio M Series 12" subwoofer, this enclosure delivers optimal airspace and tuning for deep, controlled bass response. Enclosure Specifications: Net Volume: 4.8 cubic feet Tuning: 32 Hz Port Area: 67.06 sq in Port Size: 14.499" x 4.625" Cutout: 11.22" Construction: 3/4" (18mm) Russian Baltic Birch - 13 ply Baffle: Solid 1" (24mm) front baffle - 17 ply Bracing: 3/4" (18mm) center baffle brace Finish: Carbon gray stain with polyurethane topcoat Wiring: Pre-wired 10ga OFC with metal binding post Power Rating: Up to 3500W RMS Dimensions: Height: 16.0" Width: 35.875" Depth: 23.75" 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.