0.50 ft³ Sealed MDF Enclosure Box for Single JL Audio 10" TW3 (10TW3) Sub Woofer

LAB OEM-Spec™ 0.50 ft^3 Sealed Shallow-Mount MDF Enclosure Box for Single JL Audio 10TW3 Subwoofer

$139.99

SKU: OS-JLAUDIO-10TW3-SEALEDCategories: Enclosures, LAB OEM-Spec™

What exact subwoofer does this fit?
This enclosure is precision-built specifically for a single 10" JL Audio® TW3 shallow-mount subwoofer (models 10TW3-D4 or 10TW3-D8). The cutout diameter is perfectly matched at 9.625" (9-5/8").

Will it fit in my vehicle's tight spaces?
Yes, it is designed specifically for tight and stealthy applications. The exact external dimensions are 16" W x 13.875" H x 6.5" D, giving you a slim, 6.5-inch deep footprint.

How is the performance and wiring?
This sealed design delivers tight, responsive bass and natural roll-off—ideal for sound quality (SQ) focused systems. It features an upgraded 2" round nickel-plated binding post for secure and reliable wiring connections.

OEM-Spec™ Enclosures: Purpose-Built for JL Audio®

Dropping a premium JL Audio® subwoofer into a cheap leaky box is a quick way to leave performance on the table. Our LAB OEM-Spec™ enclosures aren't trying to reinvent the wheel. Instead, they are precision-built tools manufactured right here in the USA to do exactly what JL Audio® intended.

We construct these with rock-solid 3/4” CNC-cut MDF and feature 1” or thicker front baffles on select models to support heavier motors. These enclosures follow JL Audio’s exact volumetric blueprints to the letter. By utilizing their highly efficient smaller-airspace designs, you get two very practical benefits. You get increased mechanical power handling to keep your sub safe from over-excursion, and you gain a significantly smaller footprint in your trunk.

Available in both ported and sealed configurations for most JL Audio® drivers, the OEM-Spec™ line delivers the accurate, hard-hitting bass JL is famous for at a price point that actually makes sense.

Why It Hits the Mark:

Factory-Tuned Precision: Built exclusively to JL Audio® factory specs for optimal Thiele/Small (T/S) parameter matching.
Heavy-Duty Construction: 100% 3/4” CNC-cut MDF with ultra-thick front baffles on select models for maximum structural integrity.
American Made: Designed, cut, and assembled in the USA for strict quality control.

Technical Specifications:

JL Audio® designed TW3 10-inch sealed shallow-mount woofer enclosure
Built using JL Audio®'s recommended sealed box design for a single 10" JL Audio® TW3 sub (10TW3-D4 / 10TW3-D8)
Constructed of 0.75" CNC-cut high-grade MDF
High-grade black automotive carpet finish
Upgraded 2" round nickel-plated binding post
Made in California, U.S.A.

Enclosure volume: 0.50 ft^3 (net internal)
F3: 40.09Hz
Fc: 50.04Hz
Qtc: 0.96
Sub cutout diameter: 9.625" (9-5/8")
Dimensions: 16"W x 13.875"H x 6.5"D

Free shipping applies to orders $50 and over shipped within the 48 Contiguous U.S. States. Most orders ship the same or next business day. Tracking is included and will be updated upon shipment.

Additional shipping fees are required for all other locations (including but not limited to): PO Boxes, APO/FPO address, AK, HI, PR, Guam, Canada, and other countries outside the USA

We will make every attempt to process and ship orders within 2 business days of your cleared payment. We will contact you, should there be a problem or delay with your order. Please allow proper delivery time for your package to arrive.

Orders via UPS Ground arrive within 2-6 business days. Smaller or lighter weight items typically ship via USPS First Class or USPS Priority Mail.