SKU: 75816806520

LAB PreFab™ Twin Sealed Rectangular MDF Enclosures for Pair of 6"x9" Car Speakers

Sale price$49.49 Regular price$54.99
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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10

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Description

LAB PreFab™ Twin Sealed Rectangular MDF Enclosures for Pair of 6"x9" Car SpeakersWhat kind of speakers does this fit? This product includes a pair (2 separate enclosures) precision built to house two (2) standard 6"x9" oval car audio speakers or subwoofers (one speaker per enclosure). It is engineered for a seamless fit with standard 6x9 speaker footprints requiring a maximum mounting depth of 3. 75". Will they fit in my vehicle? Yes, these enclosures feature an ultra compact, shallow rectangular layout optimized for placement on


What kind of speakers does this fit?
This product includes a pair (2 separate enclosures) precision-built to house two (2) standard 6"x9" oval car audio speakers or subwoofers (one speaker per enclosure). It is engineered for a seamless fit with standard 6x9 speaker footprints requiring a maximum mounting depth of 3.75".

Will they fit in my vehicle?
Yes, these enclosures feature an ultra-compact, shallow rectangular layout optimized for placement on rear parcel shelves, cargo decks, truck cabins, or trunk utility areas. This modular twin-box configuration allows you to easily position each cabinet on the left and right sides of your setup to achieve ideal stereo separation. The exact external dimensions for each individual enclosure are 11.25" W x 8.50" H x 4.25" D.

How is the performance and wiring?
Each enclosure in this pair operates as a completely independent, airtight sealed chamber. This separate-cabinet design prevents pressure interference between channels, ensuring exceptionally clean, tight mid-bass response and vocal clarity from your 6x9 speakers. The airtight acoustic environment also protects the speaker cones from back-wave distortion, significantly improving power handling. Each cabinet comes equipped with its own integrated speaker terminal cup for quick, secure, and reliable wiring connections.

   

LAB PreFab™ Enclosures: Premium Off-The-Shelf Performance

   

LAB PreFab™ enclosures are the highest-quality prefabricated speaker boxes on the market. Proudly made in the USA and constructed of solid CNC-cut high-grade MDF (medium density fiberboard), these cabinets offer exceptional durability and acoustic rigidity. Whether you are looking for an install-friendly solution or an efficient space-saver, the LAB PreFab™ series delivers reliable, solid performance without the custom-shop price tag or wait times.

   

Available in both ported and sealed configurations, each cabinet is built with tight construction tolerances and covered in high-grade automotive carpet to blend seamlessly into your vehicle's interior. It is the ultimate plug-and-play solution for daily commuters and car audio enthusiasts who want high-quality sound without sacrificing cargo space.

        

The PreFab™ Advantage:

   
           
  • Solid American Construction: Designed, cut, and assembled in California, USA using precision CNC machinery and high-grade MDF.
  •        
  • Airtight Performance: Assembled with high-strength wood glue and complete internal sealing to ensure zero panel flex and an absolute airtight enclosure environment.
  •        
  • Clean Universal Fitment: Built to industry-standard dimensions that match the recommended specifications of the market's leading speaker brands.
  •    

Technical Specifications:
  • Pair of twin 6x9-inch sealed car speaker boxes (includes 2 independent boxes)
  • Ultra-compact rectangular design profile ideal for rear decks, shelves, and trunks
  • Compatible with one pair / two (2) standard 6"x9" car audio speakers or subwoofers (1 per box)
  • Rigid high-grade MDF construction
  • Independent airtight sealed chambers for clean mid-bass and accurate driver transient response
  • High-grade black automotive carpet finish
  • Integrated speaker terminal cups for quick connections (1 per box)

  • Max mounting depth: 3.75"
  • Dimensions: 11.25"W x 8.50"H x 4.25"D (each)

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: 75816806520

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4.8 ★★★★★
Based on 22 reviews
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Verified Purchase
Hugh62
Grantham, US
★★★★★ 1
Poor quality control - maybe outlet store leftovers
Size: 11.5, Color: Burgundy Polished Full Grain
The two shoes were not the same size. They were both labeled 11 1/2 but one shoe was larger than the other and the fit was poor. I returned the first pair and ordered a replacement. This time the shoes were close to the same size but too loose and the left one has sewing issues. I've bought Johnston & Murphy for years because of the quality. These were to replace an existing pair of burgundy penny loafers that have finally worn out (even after several heal/sole replacements). That is the expected quality. I suspect Nashville Shoe Warehouse may be handling shoes that didn't measure up for the quality; more like an outlet mall than getting the J&M quality I've come to expect. Update: went to Johnston & Murphy site to buy "direct" from the manufacturer. There were several recent reviews where the shoes were long and didn't fit properly. Genesco - please step up the manufacture / crafting of these classic shoes to the level of quality they used to have.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2025
F
Verified Purchase
Fabric Crazy
Carnegie, US
★★★★★ 5
Really nice shoes
Size: 9, Color: Black Polished Full Grain
My husband enjoys wearing these shoes. Very classy looking. They fit well. They arrived quickly. He liked them so much he ordered another pair in a different color which have worked out just as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 3, 2026
T
Verified Purchase
tjw
Belleville, US
★★★★★ 3
Way too narrow
Size: 9.5 Wide, Color: Burgundy Polished Full Grain
I ordered a wide in this shoe, but it was still way too narrow. I had to return them. Otherwise, it looked like a nice quality shoe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
B
Verified Purchase
BetterEveryDay
Battle Creek, US
★★★★★ 5
I usually wear 11.5's, but I buy 1/2 size smaller to accommodate for stretch. Leather relaxes.
Size: 11, Color: Burgundy Polished Full Grain
5 STARS: These shoes are awesome. I keep coming back for more. I have major foot problems, have tried all kinds of shoes, orthotics, and inserts... but believe it or not, these shoes work better than any of that stuff. I wear them daily. I buy lots of them, for home, for church, and I'm getting my first pair of J&M boots today, for winters in Indiana... Brrrr
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
D
Verified Purchase
Doc
Fort Morgan, US
★★★★★ 5
Great price great shoe
Size: 12, Color: Burgundy Polished Full Grain
Excellent shoe. Tried the Sebago penny loafer and the sizing was ridiculous. These J and M are sized perfectly. I’ve had them before and they wear like iron. Very comfortable right out of the box.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026

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