LAB OEM-Spec™ 1.25 ft^3 Sealed MDF Enclosure Box for Single JL Audio 12W3v3 Subwoofer

$149.99

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

LAB OEM-Spec™ Subwoofer Enclosures – Factory Precision. Aftermarket Build.
Built exclusively to JL Audio specifications, our LAB OEM-Spec™ enclosures provide a true-to-spec acoustic experience in a rugged, professional-grade cabinet. Each model is carefully matched to the airspace and design characteristics outlined by JL, delivering optimal bass response, increased power handling, and a clean fit—all in a compact footprint.

Whether you're upgrading a factory system or building a balanced aftermarket setup, the OEM-Spec™ series gives you the clean output and tight low-end you expect from JL—without compromise.

  • Exact Fit. Exact Sound.
    Modeled after JL Audio’s official sealed specs to ensure optimal internal volume, frequency roll-off, and driver behavior.
  • SQ-Tuned for Tight Response
    With 1.25 cu. ft. of sealed airspace, this design emphasizes control, clarity, and punchy low-end accuracy—perfect for mixed-genre listening.
  • Built to Match the Brand
    Precision-cut from 3/4" MDF and wrapped in black automotive-grade carpet for clean looks and rugged durability.
  • Compact and Clean
    A space-saving enclosure that doesn’t sacrifice output—built for daily performance in a wide range of installs.

Features
  • Sealed enclosure designed for a single 12" JL Audio W3v3 subwoofer
  • Built using JL Audio's recommended sealed box design (12W3v3-2 / 12W3v3-4 compatible)
  • 1.25 cu. ft. internal volume (net)
  • Precision-cut 3/4" high-grade MDF construction
  • 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: 1.25 ft³ (net internal)
  • F3: 41.8Hz
  • Fc: 50.4Hz
  • Qtc: 0.96
  • Subwoofer cutout diameter: 11.0625" (11-1/16")
  • External dimensions: 23" W x 14" H x 10" 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.