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Main image of Dual 12" Rhino-Coated Sub Box Fits 14-18 GMC Sierra Double Cab ASC | Precision-Cut MDF Subwoofer Construction, Bolt-In Truck Install, Tough Carpet Finish, 2015 Air-Tight Design, 12 Inch Size

Alt view image 2 of 4 - Dual 12" Rhino-Coated Sub Box Fits 14-18 GMC Sierra Double Cab ASC | Precision-Cut MDF Subwoofer Construction, Bolt-In Truck Install, Tough Carpet Finish, 2015 Air-Tight Design, 12 Inch Size

Alt view image 3 of 4 - Dual 12" Rhino-Coated Sub Box Fits 14-18 GMC Sierra Double Cab ASC | Precision-Cut MDF Subwoofer Construction, Bolt-In Truck Install, Tough Carpet Finish, 2015 Air-Tight Design, 12 Inch Size

Alt view image 4 of 4 - Dual 12" Rhino-Coated Sub Box Fits 14-18 GMC Sierra Double Cab ASC | Precision-Cut MDF Subwoofer Construction, Bolt-In Truck Install, Tough Carpet Finish, 2015 Air-Tight Design, 12 Inch Size

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Dual 12" Rhino-Coated Sub Box Fits 14-18 GMC Sierra Double Cab ASC | Precision-Cut MDF Subwoofer Construction, Bolt-In Truck Install, Tough Carpet Finish, 2015 Air-Tight Design, 12 Inch Size

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The choice of premium materials ensures this enclosure can endure the demands of the road and provide dependable performance. SEAMLESS FIT: This enclosure is expertly constructed with strong joints, forming a solid and airtight build capable of managing the intense vibrations generated by your subwoofers. IMPROVED SOUND QUALITY: Engineered with audio performance in mind, this sub-box enclosure enhances your sound system's output. It boosts bass response, minimizes distortion, and offers a crisp and engaging listening experience. Upgrade your car audio with this enclosure, crafted to provide enhanced sound quality. DIMENSIONS: 55-1/4" L X 14-3/4" W X 9-3/4" H ADDITIONAL ITEM SPECS: Mounting Depth of 5-1/2" making it suitable for the majority of 12-inch subwoofers and a total Air Space of 0.55 Cubic Feet for increased output

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The choice of premium materials ensures this enclosure can endure the demands of the road and provide dependable performance.
SEAMLESS FIT: This enclosure is expertly constructed with strong joints, forming a solid and airtight build capable of managing the intense vibrations generated by your subwoofers.
IMPROVED SOUND QUALITY: Engineered with audio performance in mind, this sub-box enclosure enhances your sound system's output. It boosts bass response, minimizes distortion, and offers a crisp and engaging listening experience. Upgrade your car audio with this enclosure, crafted to provide enhanced sound quality.
DIMENSIONS: 55-1/4" L X 14-3/4" W X 9-3/4"
H ADDITIONAL ITEM SPECS: Mounting Depth of 5-1/2" making it suitable for the majority of 12-inch subwoofers and a total Air Space of 0.55 Cubic Feet for increased output

Additional Information
First Listed on Newegg	August 17, 2026

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Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Myriad Mart Return Policy

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Item#: 9SIC8EAM4S6312