FREE 1 to 3-Day Delivery on Orders $149+ Details

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

Find Audio & Electronics for your Sierra 2500

King Boxes 10-Inch Dual Downfire Sealed Subwoofer Box; Charcoal Sprayed Finish (15-19 Sierra 2500 HD Double Cab)Find parts that fit my vehicle

Item HG55954
Product Image
2 Reviews
Our Price

$244.99 each

Military, Medical & First Responders $12.25 Available in AT Cash Rewards.
Confirm Eligibility

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
Add to Cart
Save for later
    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
    Join For FREE
    Loading Indicator

      Product Information

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

      Features

      • King Boxes 10‑Inch Dual Downfire Sealed Subwoofer Box; Charcoal Sprayed Finish
      • Premium MDF Construction Enhances Acoustic Performance
      • Charcoal Sprayed Finish Blends Seamlessly with Factory Interior
      • Downfire Design Maximizes Cargo Space and Protects Speakers
      • Pre‑loaded Terminal Cup Allows Quick, Clean Wire Connections
      • Backed by a 1‑Year Manufacturer Warranty for Confidence
      • This King Boxes 10‑Inch Dual Downfire Sealed Subwoofer Box Fits 2015‑2019 Sierra 2500 HD Double Cab Models

      Description

      Premium Downfire Performance. The King Boxes 10-Inch Dual Downfire Sealed Subwoofer Box transforms your Sierra’s cabin into a mobile concert hall, delivering tight, authoritative bass while preserving precious rear-floor utility.

      Strength and Acoustic Precision. Precision-cut MDF panels are glued, stapled, and internally braced to eliminate resonance, ensuring clean, distortion-free bass reproduction at any volume. The charcoal sprayed finish integrates seamlessly with factory plastics and carpeting while resisting scuffs and ultraviolet fade.

      Installation. This enclosure slides beneath the rear seat using existing mounting points and common hand tools—no cutting, drilling, or fabrication required.

      Warranty. King Boxes covers this enclosure with a 1-year limited warranty against manufacturing defects, giving you confidence in lasting performance.

      Application. This King Boxes 10-Inch Dual Downfire Sealed Subwoofer Box; Charcoal Sprayed Finish fits 2015-2019 Sierra 2500 HD Double Cab models.

      King Boxes AK-GMC37-10

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

      Installation & What's in the Box

      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

      • (1) Subwoofer Box
      • (1) Instruction Sheet
      5.0

      Customer Reviews (2)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 2500

      • 6.0L V8 - 15, 16, 17, 18, 19
      • 6.6L V8 Duramax - 15, 16, 17, 18, 19