Custom Enclosure for Sundown Audio SAv2 12" Subwoofer – 1.75 ft³ Ported Box

Engineered specifically for the Sundown Audio SAv2 12" subwoofer, this handcrafted enclosure from Basshead Supply is tuned for deep, tight bass and long-lasting structural integrity. Built with premium materials and a refined finish, it’s the perfect choice for maximizing your SAv2’s performance in both daily and demo builds.

Performance Specifications – SAv2 12" Subwoofer Enclosure

• Net Internal Volume: 1.75 cubic feet
• Tuning Frequency: 33 Hz – tuned for strong low-end with musical detail
• Port Area: 25.3125 square inches
• Port Dimensions: 13.5″ x 1.875″
• Subwoofer Cutout Diameter: 11.01″
• Power Handling: Supports subwoofer setups up to 2000W RMS

Premium Construction & Craftsmanship

• Material: 3/4” (18mm) Russian Baltic Birch plywood
• Baffle: Solid 1” (24mm) 17-ply birch veneer for added strength
• Assembly: Seamless screwless exterior assembled with Titebond III adhesive
• Finish: Carbon gray stain with polyurethane protective coating
• Wiring: Prewired with 10-gauge OFC speaker wire
• Binding Post: Recessed satin nickel brass terminal

Enclosure Dimensions

• Height: 15″
• Width: 21.71″
• Depth: 17″

Custom Build Timeline & Return Policy

Lead Time: 2–3 weeks from order date
Refund Policy: No refunds once the enclosure has been cut (made-to-order)

Made in the USA – Basshead Supply Branded Series 🇺🇸

This custom 12" enclosure for the Sundown SAv2 subwoofer is part of our highly regarded “Branded Series,” crafted by hand in the United States using elite woodworking techniques and top-tier materials. The result is a subwoofer box that’s not only acoustically tuned—but visually refined and structurally unmatched.

From the durable Baltic Birch to the seamless exterior, this enclosure is built to stand out and perform under pressure. Whether you’re aiming for loud and low daily bass or clean, controlled SPL, this box has what it takes.

Order now and give your Sundown Audio SAv2 12” sub the enclosure it deserves—custom-tuned, built-to-last, and ready to deliver.