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Ground Shaker  GS-TGM28B

8" Black Dual Sealed Sub Box for 2007-2013 GMC Sierra Crew-Cab

Item #98961

Condition:   Brand New

Product Highlights

  • GMC Sierra
  • Dual Subwoofer
  • Sealed Enclosure
  • 8 Inch
  • Crew Cab

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.

$305.00

Reg. Price $385.00  Save $80.00
  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.

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Ground Shaker GS-TGM28B 8" Black Dual Sealed Sub Box for 2007-2013 GMC Sierra Crew-Cab

We are an Ground Shaker authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • 8" Black Dual Sealed Sub Box
  • • Owner's Manual
Kicker_KM
Compact Dual-Chamber Bass Power

Designed for impressive bass in a compact space, this enclosure features dual individual chambers with a total air volume of 1.76 ft³ for clean, balanced sound. It supports 7 1/8" cutout subwoofers with a 5 1/4" mounting depth, ensuring a precise and secure fit. Built with a solid 43 lb construction, it delivers durable performance and deep, punchy bass for your ride.

Low-Profile Under-Seat Design

With a front height of 7 1/2" and rear height of 4 3/4", this enclosure is engineered to slide neatly under your rear seat without sacrificing space. Its 52 1/2" length and 18" depth provide the perfect balance of fit and performance. Enjoy powerful bass while keeping your truck’s interior clean, organized, and functional.

 

Kicker_KM
Kicker_KM
Built Tough for Reliable Bass

Constructed from 5/8" high-quality MDF wood and finished with a durable trunk liner carpet, this enclosure is made to handle daily use while maintaining a clean look. Every joint is sealed with Titebond silicone and reinforced with Titebond wood glue for a strong, airtight build that improves sound quality. Dual spring-loaded terminals make installation quick, secure, and ready for powerful bass.


SPECIFICATIONS


  • Speaker Size : 8 Inches
  • Number Of Subwoofers : 2
  • Construction : 5/8 MDF
  • Volume : 1.76 Cu. Ft.
  • Enclosure Type : Sealed
  • Vehicle Make : GMC

FEATURES


Specifications:

  • Cutout Diameter: 7 1/8"
  • Air Volume: 1.76 ft³
  • Dual Individual Chambers
  • Volume per Subwoofer: 0.88 ft³
  • Weight: 43 lbs
  • Mounting Depth: 5 1/4"

 

Dimensions:

  • Front Height: 7 1/2"
  • Rear Height: 4 3/4"
  • Length: 52 1/2"
  • Depth: 18"

 

Construction:

  • 5/8" High-Quality MDF Wood
  • Carpeted with Durable Trunk Liner Finish
  • Sealed with High-Quality Titebond Silicone
  • Glued with High-Quality Titebond Wood Glue
  • Dual Spring-Loaded Terminals

 

Installation:

  • Fits Under Rear Seat
  • Down-Firing Design
  • 2007 Fits Only the New Body Style
  • UPC:
  • Weight: 43
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.

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