Sundown Audio Dual 12" NSv4 Ported Enclosure - AABE-SA-NSv4-D12-HD
Custom built enclosure specifically for dual Sundown Audio NSv4 12" subwoofers. Lead time is 2-3 weeks, no refunds once enclosures have been cut out! This is a custom made box specifically for dual Sundown Audio NSv4 12" subwoofers. At Basshead Supply the goal with the βbranded seriesβ enclosures is to offer subwoofer specific enclosures that are well built, well performing and good looking enclosures at an affordable price. Using premium 1β Baltic Birch all around we are able to achieve a very strong and light enclosure. Using our refined assembly process produces an enclosure with NO visible screw holes anywhere on the enclosure. The entire enclosure is glued together with Titebond III and coupled with our 1β baffle and an additional 24mm baffle brace (on the dual subwoofer models) the enclosure is strong enough to handle high power subwoofer setups. Finished off with our carbon gray stain and a polyurethane finish these enclosures have a unique look to set it apart from all the generic prefabs. Complete with a recessed Satin Nickel Brass binding posts and prewired with OFC 10g wire, you are ready to go the moment it arrives. These are also built with love, by hand right here in the UNITED STATES OF AMERICA.
Specifications
- 5 cubic feet net enclosure
- 31 hz tuning
- 70 sq inches of port
- 16" x 4.375" port dimensions
- 11.01" subwoofer cut out
- Entire enclosure 1" birch ply
- 17 ply birch veneer construction
- Gray stained finish
- Pre-wired metal binding post
Dimensions
- 18" tall
- 38.625" wide
- 21.75β³ deep
What Our Experts Think
Q&A
Maintenance Tips
- Inspect the enclosure regularly for loose screws, cracks, or signs of structural wear.
- Tighten all subwoofer mounting hardware to prevent vibrations and maintain an airtight seal.
- Check wiring and terminal connections periodically for damage, corrosion, or loose contacts.
- Keep the enclosure clean, dry, and free from dust or debris buildup.
- Avoid prolonged exposure to direct sunlight, excessive heat, or moisture.
- Inspect the port openings regularly and clear any obstructions that could restrict airflow.
- Operate the subwoofers within recommended power limits to ensure reliable performance.
- Listen for rattles, vibrations, or air leaks and address any issues promptly to maintain optimal bass response.
Damage 
Loss 
Theft 
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