Installation Time
(approx) 30 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Features, Description, Q&A, Specs & Installation
Optimized Bass Delivery Through Upfire Design. The King Boxes 12-Inch Dual Upfire Ported Subwoofer Box employs an upfire configuration, directing sound upwards to maximize bass response within the cabin. This design enhances audio clarity and depth, providing a rich listening experience without compromising interior space.
Durable Build with Protective Finish. Constructed from high-quality materials, the King Boxes 12-Inch Dual Upfire Ported Subwoofer Box is built to withstand the demands of daily use. Its charcoal sprayed finish not only adds a sleek appearance but also offers resistance against wear and environmental factors, ensuring longevity.
Acoustic Precision with Ported Chambers. Featuring dual ported chambers, each with a capacity of 0.9 cubic feet, this King Boxes 12-Inch Dual Upfire Ported Subwoofer Box is designed to deliver precise and powerful bass. The ported design enhances airflow and reduces distortion, resulting in a cleaner and more impactful sound output.
Installation. Putting this King Boxes 12-Inch Dual Upfire Ported Subwoofer Box; Charcoal Sprayed Finish on your Sierra 2500 HD Crew Cab takes 30 minutes to install.
Warranty. There is a limited warranty on this product.
Application. The King Boxes 12-Inch Dual Upfire Ported Subwoofer Box; Charcoal Sprayed Finish fits 2007-2014 Sierra 2500 HD Crew Cab models.
King Boxes AK-GMC17-12
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 30 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
What's in the Box