LAB OEM-Spec™ Subwoofer Enclosures – Factory Precision. Aftermarket Build.
Exclusively engineered for JL Audio subwoofers, the LAB OEM-Spec™ line delivers factory-precision performance in a high-quality aftermarket build. Designed using JL Audio's own enclosure blueprints, each box is constructed with the same craftsmanship as our SlapBox™ series—featuring precision-cut high-grade MDF. These enclosures are optimized to JL’s exact airspace and tuning specs, ensuring maximum efficiency, increased power handling, and a compact footprint.
OEM-Spec™ enclosures are available in both sealed and ported designs for most JL Audio drivers. Smaller in size but big on performance, this is the go-to solution for JL fans who want a true-to-spec experience—without compromise.
- Designed for Precision
Built to JL Audio’s official specs for the 12W7AE / W7 (12W7AE-3 / 12W7-3), ensuring accurate airspace and tuning for maximum output and efficiency. - Tuned for Serious Output
1.75 cu. ft. of internal airspace tuned to 36.7Hz delivers deep, rich bass with excellent low-end extension. - ️ Reinforced to Handle Power
Precision-cut 3/4" MDF with a reinforced 1" front baffle adds durability and strength for high-performance subs. - OEM-Grade Performance
Wrapped in black automotive-grade carpet and finished clean for seamless installs in a variety of vehicle builds.
Features
- Ported enclosure designed for a single 12" JL Audio W7AE / W7 subwoofer
- Built using JL Audio's recommended ported box design (compatible with 12W7AE-3 / 12W7-3)
- 1.75 cu. ft. internal volume (net), tuned to 36.7Hz
- Precision-cut 3/4" high-grade MDF with reinforced 1" front baffle
- Wrapped in premium black automotive-grade carpet
- Upgraded 2" round nickel-plated binding post
- Proudly made in California, U.S.A.
Technical Specifications
- Enclosure volume: 1.75 ft³ (net internal)
- Peak tuning frequency (Fb): 36.7Hz
- F3 (low-end extension): 32.8Hz
- Subwoofer cutout diameter: 10.5" (10-1/2")
- External dimensions: 22.75" W x 15" H x 15.875" D