Custom Subwoofer Enclosure for JL Audio W7 13.5″ – Ported 2.5 ft³ Box

Engineered exclusively for the JL Audio 13.5" W7 subwoofer, this handcrafted enclosure from Basshead Supply is optimized for performance, durability, and style. If you’re looking to unleash the full potential of your W7 13.5" with deep bass and efficient air flow, this is the box to beat.

🔊 JL Audio 13.5" W7 Enclosure Specifications

• Net Volume: 2.5 cubic feet
• Tuning Frequency: 32 Hz – perfect for low-end accuracy
• Port Area: 35.63 sq in (15″ x 2.375″)
• Subwoofer Cutout: 11.9″
• Power Handling: Designed to support systems up to 2000W RMS

🪵 Premium Construction & Craftsmanship

• Material: 3/4″ (18mm) Russian Baltic Birch plywood
• Baffle: Solid 1″ (24mm) front baffle (17-ply) for extreme durability
• Joinery: Fully glued assembly with Titebond III – NO visible screw holes
• Finish: Carbon gray stain with protective polyurethane coating
• Terminal: Recessed Satin Nickel Brass binding post
• Pre-Wired: 10-gauge Oxygen-Free Copper (OFC) wire included

📐 Dimensions

• Height: 16.5″
• Width: 25.625″
• Depth: 18″

🛠️ Build Time & Policy

Lead Time: 2–3 weeks
Note: This is a made-to-order item. No refunds once fabrication has begun.

🇺🇸 Built by Hand in the USA – Basshead Supply Branded Series

This custom JL Audio W7 13.5 enclosure is part of our Basshead Supply Branded Series – purpose-built, performance-optimized subwoofer enclosures crafted for serious bassheads. Whether you’re running daily or demo setups, our enclosures deliver unmatched structural strength and acoustic precision.

With our premium materials, expert craftsmanship, and attention to detail, this box stands out in both form and function. It's not just an enclosure—it’s the perfect stage for your W7 13.5" to perform at its peak.

Order yours now and experience a custom subwoofer box designed to elevate your build—handmade in the USA with passion, precision, and power in mind.