facebook no script image
OnlineCarStereo.com is currently under maintenance. Please call 310-526-8635 if youre having problems placing your order.

Ground Shaker  GS-FF15048B

8" Quad Sealed Sub Box for 2009-2025 Ford F-150 Crew-Cab (Black)

Item #98687

Condition:   Brand New

Product Highlights

  • Quad Sealed
  • Ford F-150
  • Crew Cab
  • Sub Box
  • Black Finish

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

$340.00

Reg. Price $370.00  Save $30.00
  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.

No Credit needed for acima logoLearn More

Ground Shaker Authorized Dealer

Huge Saving on Other items:


Huge Saving on Other items:



Ground Shaker GS-FF15048B 8" Quad Sealed Sub Box for 2009-2025 Ford F-150 Crew-Cab (Black)

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" Quad Sealed Sub Box
  • • Owner's Manual
Ground Shaker
Custom Fit, Massive Bass

Designed for ultimate flexibility, this enclosure features a standard 7 1/8" cutout with options for custom sizing, ensuring a perfect fit for your subwoofer. With 2.30 FT³ of air volume, it delivers deep, powerful bass that fills your cabin with clarity and punch. The compact under-seat design slides neatly into place, providing a stealthy, factory-style installation that saves space without sacrificing performance.

Forward-Firing Bass, Built to Last

Experience immersive, full-cabin sound as bass is projected directly toward passengers with forward-firing precision. Constructed from 5/8" premium MDF, reinforced with Titebond wood glue, and sealed with Titebond silicone, this enclosure delivers rugged durability and tight, clean bass response. The professional-grade trunk-liner finish provides a sleek, factory-style appearance that blends seamlessly with your interior. Two spring-loaded terminals ensure fast, secure, and high-quality connections for consistent, powerful performance every drive.

 

Ground Shaker
Ground Shaker
Precision Fit, Everyday Power

Engineered for optimal low-end performance, the 6 1/2” mounting depth accommodates 6” magnet subwoofers for deep, punchy bass. With a 56" length, 9" front height, and 5 1/2" rear height, this enclosure fits snugly behind your seat, saving space while maintaining peak performance. Weighing 47 lbs., it’s built tough to handle daily driving while delivering consistent, high-impact bass that elevates every ride.


SPECIFICATIONS


  • Speaker Size : 8 Inches
  • Number Of Subwoofers : 4
  • Construction : 5/8 MDF
  • Volume : 2.30 Cu. Ft.
  • Enclosure Type : Sealed
  • Vehicle Make : Ford

FEATURES


Features:

  • Custom-Fit Audio Flexibility: Offers a standard 7 1/8" cutout with the option for custom cutout sizes upon request to fit your specific subwoofer perfectly.
  • Massive Bass Volume: 2.30 FT³ air volume delivers deep, powerful bass that fills the cabin without distortion.
  • Compact Under-Seat Design: Slides neatly under your rear seat for a stealthy, factory-like installation that saves space.
  • Forward-Firing Precision: Projects bass directly toward passengers for a more immersive, full-cabin sound experience.
  • High-Strength MDF Construction: Built with 5/8" premium MDF wood, reinforced with Titebond wood glue, and sealed with Titebond silicone for durability and tight bass response.
  • Durable Trunk-Liner Finish: Carpeted with professional-grade trunk liner for a rugged, clean look that complements your vehicle’s interior.
  • Spring-Loaded Terminals: Equipped with 2 spring-loaded terminals for secure, high-quality connections every time.
  • Optimized Magnet Depth: Mounting depth of 6 1/2” accommodates 6” magnet subwoofers for superior low-end performance.
  • Precision Dimensions for Fit: Designed with a 56" length, 9" front height, and 5 1/2" rear height for snug, space-saving installation.
  • Built for Everyday Power: Weighing 47 lbs., this enclosure handles daily driving and delivers consistent, punchy bass.

 

Specifications:

  • Cutout Diameter: 7 1/8" (Custom sizes available upon request)
  • Air Volume: 2.30 FT³
  • Mounting Depth: 6 1/2” (fits 6” magnet subwoofers)
  • Front Height: 9”
  • Rear Height: 5 1/2"
  • Length: 56"
  • Depth: 13"
  • 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
  • Connectivity: 2 spring-loaded terminals
  • Installation: Fits under rear seat, forward-firing
  • UPC:
  • Weight: 47
  • 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.

Do you own this product?

Write a review!

Must haves for Ground Shaker GS-FF15048B:

Other items that might interest you:

Other customers also shopped for: