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American International GMSB306

6.5" or 6.75" or 6x9" Speaker Mounting Adapters with Tweeter Mounts for select 2012-2021 vehicles from Chevrolet, GMC

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• Fits select 2012-2021 vehicles from Chevrolet, GMC
• Designed to install 6.5", 6.75", and most 6x9" aftermarket speakers
• High-grade ABS plastic material
• Uses existing factory bolt holes

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List price $54.00
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$16.99

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Description


American International brand icon

Authorized dealer

Product Features:

  • For the installation of 6.5", 6.75", and most 6x9" aftermarket speakers
  • Compatible with select 2012-2021 vehicles from Chevrolet, GMC
  • Adapts factory speaker mounting holes to 6.5", 6.75", and 6x9"
  • Made with high-grade ABS plastic material
  • Uses existing factory bolt holes for easy installation
  • Includes (2) speaker adapter plates and (2) tweeter mounts
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 2012 Ford Explorer is not compatible. Change vehicle or See list of compatible similar products


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Specifications & Details


Car Speaker Adapter Specifications
Factory Opening Size Compatibility
6" x 9"
Compatible Speaker Size
6-1/2"
6-3/4" (Oversized 6-1/2")
6" x 9"
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

GMSB306

Weight:

0.50lbs

Internal SKU:

gmsb306

Internal Product ID:

148249

Customer Ratings & Reviews


American International GMSB306 thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Photos & Videos


Customer Reviews

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American international gmsb306

These front door and dash tweeters adapters arr perfect a must have good fit and quality product nice I love it makes the speakers direct out the doors better thanks sonic electronix

By Patrick on November 18, 2025 Checkmark Icon Verified purchase
2019 GMC Yukon


By Chris on July 10, 2025 Checkmark Icon Verified purchase


By kevin on December 27, 2024 Checkmark Icon Verified purchase


Great quality

Great quality and fast shipping!

By Owen on August 23, 2024 Checkmark Icon Verified purchase



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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.