DC Audio Dual 15" NEO 4.0 Ported Enclosure

Engineered for the DC Audio NEO 4.0 15" sub, this dual-15" ported enclosure delivers deep, controlled bass with 8.5 cu ft of airspace tuned to 31 Hz. Handcrafted in the USA from 1" Russian Baltic Birch (17-ply) and finished in carbon gray with a polyurethane topcoat, it offers a clean, show-quality exterior for high-end installs.

• Net Volume: 8.5 cubic feet of internal airspace to support deep bass output with the NEO 4.0 15" sub.
• Tuning: 31 Hz tuning selects a low-frequency peak for extended bass response rather than midbass emphasis.
• Port Area: 122.4 square inches of port opening for efficient low-frequency air movement.
• Port Size: 20.0" x 6.12" port dimensions determine port length and air velocity at the target tuning.
• Cutout: 14.25" cutout to mount the subwoofer securely.
• Construction: 1" (24 mm) Russian Baltic Birch with 17 plies provides rigidity for high-power bass.
• Baffle: 1" front baffle adds stiffness to the enclosure face to maintain alignment under load.
• Bracing: 1" center baffle brace minimizes internal movement for tighter bass control.
• Finish: Carbon gray stain with a polyurethane topcoat for durability and a restrained aesthetic.
• Wiring: Pre-wired 10ga OFC with metal binding posts for straightforward, secure wiring.
• Power Rating: Designed for high-power systems, aligning with the NEO 4.0’s performance potential.
• Dimensions: Height 22.0", Width 47.625", Depth 22.625" for planning trunk fit and enclosure space.
• Handcrafted in the USA: Built by hand in the United States with an exterior featuring zero visible screw holes for a premium look.
• Bonding: Fully glued with Titebond III to ensure airtight integrity and long-term durability.
• Lead Time: Built to order; ships in 2-3 weeks.
• Final Sale: All sales final.

With 8.5 cu ft of internal volume tuned to 31 Hz, this enclosure maximizes deep bass performance from the DC Audio NEO 4.0 15" sub in a ported configuration. The 122.4 in² port, paired with a 20"×6.12" opening, provides measured air movement at low frequencies for strong, controlled output. The 1" Baltic Birch construction, 1" front baffle, and 1" center brace create a rigid enclosure that stays aligned under heavy bass, helping the woofer perform as intended. Pre-wired 10 AWG OFC wiring with metal binding posts simplifies installation and ensures reliable terminations. The handbuilt USA fabrication, clean exterior with zero visible screw holes, and airtight glue using Titebond III contribute to durability and a showroom-ready appearance. Built to order, this enclosure ships in 2-3 weeks, and is sold as a final sale.