Dual Sundown Audio Zv6 12" Custom Subwoofer Enclosure – 5.0 ft³ Ported High-Output Box

Unleash the full power of your dual Sundown Audio Zv6 12" subwoofers with this professionally crafted custom enclosure from Basshead Supply. Built for extreme SPL performance, this enclosure is tuned for hard-hitting, low-end authority and designed to withstand massive wattage.

Performance Specifications – Dual Zv6 12" Subwoofer Box

• Net Internal Volume: 5.0 cubic feet
• Tuning Frequency: 31 Hz – perfect for deep, powerful bass response
• Port Area: 70 square inches
• Port Dimensions: 16″ x 4.375″
• Subwoofer Cutout Diameter: 11.01″ (each subwoofer)
• Power Handling: Built for extreme power setups – 4000W RMS and beyond

Premium Construction & Build Features

• Material: Full 1” Russian Baltic Birch plywood throughout
• Build Quality: 17-ply birch veneer for maximum rigidity and tone accuracy
• Bracing: 24mm internal baffle brace for added strength on dual sub setups
• Finish: Carbon gray stain sealed with a protective polyurethane topcoat
• Assembly: No visible screws – joined with industrial-grade Titebond III wood glue
• Wiring: Prewired with 10-gauge OFC speaker wire
• Binding Posts: Recessed satin nickel brass terminals

Enclosure Dimensions

• Height: 18″
• Width: 38.625″
• Depth: 21.75″

Build Timeline & Custom Policy

Lead Time: 2–3 weeks (built to order)
Refund Policy: No refunds once the enclosure enters the cut-out phase

Handcrafted in the USA – Basshead Supply Branded Series 🇺🇸

This dual 12" Zv6 enclosure is part of the Basshead Supply “Branded Series”—crafted in the United States for bassheads who demand maximum output without compromising on build quality. Each box is handcrafted with precision to meet the needs of high-power subwoofer systems.

From the ultra-rigid birch shell to the sleek gray stain and screwless design, every detail of this enclosure is built to outperform generic prefab boxes. Whether you're pushing the SPL lanes or building a brutal daily setup, this box is ready to handle serious pressure.

Order yours today and give your Sundown Zv6 12" subs the enclosure they were made for—tuned to slam, built to last, and ready to dominate.