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LAB OEM-Spec™ 1.75 ft^3 Ported MDF Enclosure Box for Single JL Audio 12W3v3 Subwoofer

$199.99

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SKU: OS-JLAUDIO-12W3v3-PORTEDCategories: Enclosures, LAB OEM-Spec™
Description

LAB OEM-Spec™ Subwoofer Enclosures – Factory Precision. Aftermarket Build.
Exclusively designed for JL Audio subwoofers, the LAB OEM-Spec™ series brings factory-accurate performance to a handcrafted enclosure. Built using JL’s official box specifications, each enclosure is precision-cut from high-grade MDF and finished with black automotive carpet for a clean, durable aesthetic. The result? Smaller footprint, increased power handling, and optimized performance—exactly how JL intended.


  • Made to Match
    This enclosure is built to JL Audio's own specs, ensuring correct tuning, proper airspace, and a factory-matched subwoofer experience.
  • Performance-Tuned Output
    Featuring 1.75 cu. ft. of internal volume and tuned to 30Hz, it delivers smooth, powerful low-end with excellent extension and clarity.
  • Built Right, Sounds Tight
    Precision-cut from 3/4" MDF and wrapped in black automotive-grade carpet—ready for daily use or demo days.
  • OEM Design. LAB Sound.
    Clean JL performance in a box that blends perfectly into trunk or cargo builds—true to spec and built in California.

Features
  • Ported enclosure designed for a single 12" JL Audio W3v3 subwoofer
  • Built using JL Audio's recommended ported design (12W3v3-2 / 12W3v3-4 compatible)
  • 1.75 cu. ft. internal volume (net), tuned to 30Hz
  • Precision-cut 3/4" high-grade MDF construction
  • Wrapped in premium black automotive-grade carpet
  • Standard speaker terminal
  • Proudly made in California, U.S.A.

Technical Specifications
  • Enclosure volume: 1.75 ft³ (net internal)
  • Peak tuning frequency (Fb): 30Hz
  • F3: 36Hz
  • Subwoofer cutout diameter: 11.0625" (11-1/16")
  • External dimensions: 29" W x 14" H x 12.625" D
Shipping & Delivery

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.