Memorial Day Sale - Up to 50% Off! Shop Now >

Find Audio & Electronics for your Sierra 1500

King Boxes 10-Inch Dual Downfire Sealed Subwoofer Box; Charcoal Carpeting Finish (14-18 Sierra 1500 Crew Cab)Find parts that fit my vehicle

Item S585921
Our Price

$189.99 each

Military, Medical & First Responders $9.50 Available in AT Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    or use

    Shop Owners Save More! Sign up for our dealer program

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • King Boxes Subwoofer Box
      • Charcoal Carpeting Finish
      • Has Space for (2) 10-Inch Subwoofers
      • Downfiring Sealed Design
      • Has 0.85 Cubic Feet per Chamber
      • Mounting Depth of 6.5 Inches
      • Direct Replacement
      • Comes in Singles
      • Fits 2014-2018 GMC Sierra 1500 Crew Cab Models

      Description

      Optimized Bass Performance. The King Boxes Subwoofer Box delivers clear, deep bass for your 2014-2018 GMC Sierra 1500 Crew Cab. Designed to house two 10-inch subwoofers, this sealed, downfiring enclosure provides an audio upgrade that blends seamlessly with your vehicle’s interior. It’s an ideal solution for truck owners who want to add impactful low-end sound without sacrificing cabin space.

      Construction and Appearance. This enclosure is finished in durable charcoal carpeting that blends into the factory floor for a clean, OEM-like appearance. Each chamber offers 0.85 cubic feet of internal volume and supports a mounting depth of up to 6.5 inches. The sealed, downfiring configuration enhances bass clarity and protects the subs from direct exposure to cargo or passenger movement.

      Installation. The subwoofer box is a direct replacement and installs easily beneath the rear seat with no major modifications. Its adaptable construction allows for straightforward integration into your existing audio system, making it suitable for both professional and DIY installations.

      Application. This King Boxes Subwoofer Box fits 2014-2018 GMC Sierra 1500 Crew Cab Models. It enhances your truck’s sound system with powerful, space-efficient bass performance and a professionally finished appearance.

      King Boxes AG25-10

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      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

      • (1) Subwoofer Box
      5.0

      Customer Reviews (2)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 1500

      • 4.3L V6 - 14, 15, 16, 17, 18
      • 5.3L V8 - 14, 15, 16, 17, 18
      • 6.2L V8 - 14, 15, 16, 17, 18