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
Custom Audio Enclosure. The King Boxes Sealed Subwoofer Box delivers high-performance sound enhancement tailored specifically for your truck. Designed to house two 12-inch subwoofers, this downfiring enclosure improves bass response while maintaining a clean, space-saving fit under the seat. Built for 2019-2026 GMC Sierra 1500 Crew Cab models, it helps transform your in-cabin audio experience.
Construction and Appearance. Coated in a durable charcoal sprayed finish, this enclosure is both rugged and visually refined. The sealed design supports tight, punchy bass output, while the mounting depth of 6.5 inches provides compatibility with a range of subwoofer brands. The downfiring configuration adds acoustic impact while shielding the speakers from direct contact and damage.
Installation. This subwoofer box installs as a direct replacement and is designed for an adaptable under-seat setup. Some users may need to remove the rubber around the screw holes for optimal alignment, but no major modifications are typically necessary. The snug design ensures a secure and professional fit.
Application. This King Boxes Sealed Subwoofer Box fits 2019-2026 GMC Sierra 1500 Crew Cab models. It elevates your sound system by delivering rich, enhanced bass while preserving legroom and interior layout. Ideal for music lovers who want powerful audio without compromising space.
King Boxes AK-G19-12
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