Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Features, Description, Reviews, Q&A, Specs & Installation
Enhanced Bass Delivery. The King Boxes Sealed Subwoofer Box is a high-performance audio enclosure built specifically for 2020-2026 GMC Sierra 2500 HD Crew Cab models. Designed to house (2) 12-inch subwoofers, it enhances your vehicle’s sound system by delivering tight, punchy bass output in a factory-integrated solution.
Construction and Appearance. This box is wrapped in durable charcoal carpeting and constructed for optimal acoustic performance. Each chamber offers 0.90 cubic feet of sealed volume, and the 6.5-inch mounting depth accommodates a wide range of subwoofers. The downfiring design helps create deeper bass while protecting the subs from potential cargo impact.
Installation. Built for direct replacement, this subwoofer box installs behind the rear seat with no cutting or extensive adjustments required. Its tailored dimensions allow it to blend into the cabin cleanly while maximizing available space.
Application. This King Boxes Sealed Subwoofer Box fits 2020-2026 GMC Sierra 2500 HD Crew Cab models. It delivers improved bass response and a cleaner interior appearance, making it a great choice for music enthusiasts looking to upgrade their truck’s factory audio without sacrificing space.
King Boxes AG19-12
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 1 Hour
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
What's in the Box