Custom Enclosure for Sundown Audio SAv3 8" Subwoofer – Compact .65 ft³ Ported Box

Get the most out of your Sundown Audio SAv3 8" subwoofer with this precision-built enclosure from Basshead Supply. Designed for tight, responsive bass in a compact footprint, this custom ported box is perfect for daily use, truck setups, or space-conscious builds without sacrificing performance.

Performance Specifications – SAv3 8" Subwoofer Enclosure

• Net Internal Volume: 0.65 cubic feet
• Tuning Frequency: 35 Hz – punchy and musical bass
• Port Area: 11.25 square inches
• Port Dimensions: 9″ x 1″
• Subwoofer Cutout Diameter: 7.375″
• Power Handling: Designed for setups up to 1000W RMS

Build Quality & Construction Features

• Material: 3/4” (18mm) Russian Baltic Birch plywood
• Veneer: 13-ply birch construction – lightweight and durable
• Finish: Carbon gray stain with a polyurethane protective coat
• Assembly: Seamless screwless design glued with industrial-grade Titebond III
• Wiring: Prewired with 10-gauge OFC wire
• Terminal: Recessed satin nickel brass binding post

Enclosure Dimensions

• Height: 10.5″
• Width: 22.5″
• Depth: 10″

Made-to-Order – Build Time & Policy

Lead Time: 2–3 weeks from order date
Refund Policy: No refunds after cut-out phase begins (custom-built item)

Handcrafted in the USA – Basshead Supply Branded Series 🇺🇸

This custom 8" subwoofer enclosure for the Sundown Audio SAv3 is part of our Branded Series — a collection of purpose-built boxes created for top-tier bass performance and long-lasting durability. Made in the USA by real enthusiasts who understand what your build needs, this enclosure stands out with its high-quality construction and sleek aesthetic.

From the strong birch construction to the tight, clean lines and no-screw exterior, this box is as tough as it is refined. Whether for your truck, trunk, or small hatchback setup, the SAv3 8" enclosure is tuned and tested to make every note hit with authority.

Order yours today and give your Sundown Audio SAv3 8” the high-performance enclosure it deserves—compact, custom, and built to slam.