SKU: 8567979342

LAB OEM-Spec™ 0.65 ft^3 Sealed Shallow-Mount MDF Enclosure Box for Single JL Audio 12TW1 Subwoofer

Sale price$134.99 Regular price$149.99
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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

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Description

LAB OEM-Spec™ 0.65 ft^3 Sealed Shallow-Mount MDF Enclosure Box for Single JL Audio 12TW1 SubwooferWhat exact subwoofer does this fit? This enclosure is precision built specifically for a single 12" JL Audio TW1 shallow mount subwoofer (models 12TW1 2 or 12TW1 4). The cutout diameter is perfectly matched at 11. 0625" (11 1 16"). Will it fit in my vehicle's tight spaces? Yes, it is designed specifically for tight and stealthy applications. The exact external dimensions are 26. 5" W x 14" H x 5. 5" D, giving you a very slim, 5. 5 inch deep footprint.


What exact subwoofer does this fit?
This enclosure is precision-built specifically for a single 12" JL Audio® TW1 shallow-mount subwoofer (models 12TW1-2 or 12TW1-4). The cutout diameter is perfectly matched at 11.0625" (11-1/16").

Will it fit in my vehicle's tight spaces?
Yes, it is designed specifically for tight and stealthy applications. The exact external dimensions are 26.5" W x 14" H x 5.5" D, giving you a very slim, 5.5-inch deep footprint.

How is the performance and wiring?
This sealed design delivers tight, controlled, and responsive bass with a smooth low-end roll-off. 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 TW1 12-inch sealed shallow-mount woofer enclosure
  • Built using JL Audio®'s recommended sealed box design for a single 12" JL Audio® TW1 sub (12TW1-2 / 12TW1-4)
  • 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: 0.65 ft^3 (net internal)
  • F3: 45.83Hz
  • Fc: 55.99Hz
  • Qtc: 0.92
  • Sub cutout diameter: 11.0625" (11-1/16")
  • Dimensions: 26.5"W x 14"H x 5.5"D

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 8567979342

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Robert A. Bertsche
New York, US
★★★★★ 5
Essay to assemble
Color: Grey
Very nice. Did the job the way I wanted.
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Reviewed in the United States on April 28, 2026
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Kevin
Belleville, US
★★★★★ 2
Low budget option
Color: Grey
Budget low quality if thats what youre looking for
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Reviewed in the United States on April 27, 2026
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Kelly W.
Massapequa, US
★★★★★ 3
Hard to assemble
Color: Grey
This is extremely hard to put together, but once its together it is pretty good. You will need to secure it to something. It falls over.
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Reviewed in the United States on March 6, 2026
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Michael G.
Lake Worth, US
★★★★★ 5
Works well!
Color: Grey
Works great!
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