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Ground Shaker  GS-OCHV28B

8" Dual Sealed Sub Box for 1988-1998 Chevy Silverado Ext-Cab (Black)

Item #98313

Condition:   Brand New

Product Highlights

  • dual sub box
  • sealed enclosure
  • Silverado fit
  • tight bass
  • truck audio

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

$310.00

Reg. Price $340.00  Save $30.00
  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

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Ground Shaker GS-OCHV28B 8" Dual Sealed Sub Box for 1988-1998 Chevy Silverado Ext-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" Dual Sealed Sub Box
  • • Owner's Manual
Kicker_KM
Dual-Chamber Under-Seat Bass: Compact Design, Maximum Impact

Unleash rich, full bass from a compact under-seat enclosure featuring dual subwoofer chambers, each optimized at 0.73 ft³ for precise, powerful low-end. With a total air volume of 1.45 ft³, it delivers deep, tight, and distortion-free sound that fills your cabin. Precision 7 1/8" cutouts ensure a secure, vibration-free fit, while the shallow 6" mount accommodates 5 1/2” magnet subwoofers, making installation in tight under-seat spaces effortless.

Rugged Under-Seat Bass with Professional Finish

Built tough from 5/8" premium MDF, this enclosure is reinforced with Titebond silicone and wood glue for lasting strength and vibration-free performance. Wrapped in factory-style trunk-liner carpet, it protects against scratches while providing a sleek, professional look. Dual binding terminals offer reliable, hassle-free connections, ensuring your subwoofers deliver consistent, high-quality bass every drive.

 

Kicker_KM
Kicker_KM
Under-Seat Forward-Firing Bass: Big Sound, No Compromise

Experience rich, immersive bass that projects directly into your cabin with this forward-firing under-seat enclosure. Designed to fit neatly beneath the rear seat, it saves valuable cargo space while delivering full, room-filling sound. Thoughtfully engineered for vehicles with removable jack kits, installation is simple, practical, and fully reversible—perfect for DIY audio upgrades.


SPECIFICATIONS


  • Speaker Size : 8 Inches
  • Number Of Subwoofers : 2
  • Construction : 5/8 MDF
  • Volume : 1.45 Cu. Ft.
  • Enclosure Type : Sealed
  • Vehicle Make : Chevrolet

FEATURES


Features:

  • Dual Subwoofer Power: Equipped with two individual chambers, each optimized for 0.73 ft³, delivering rich, full bass from a compact under-seat enclosure.
  • Spacious 1.45 ft³ Total Air Volume: Engineered to produce deep, tight, and distortion-free low frequencies that fill your cabin.
  • Precision 7 1/8" Cutouts: Designed for a snug and secure fit to maximize subwoofer performance and stability.
  • Shallow Mount Design: Only 6" deep, accommodating 5 1/2” magnet subwoofers for tight under-seat installations.
  • Heavy-Duty 5/8" MDF Build: Constructed with premium MDF, sealed with Titebond silicone, and glued with Titebond wood glue for lasting strength.
  • Factory-Style Carpet Finish: Durable trunk-liner carpeting protects against scratches while maintaining a professional, clean look.
  • Reliable Dual Binding Terminals: Ensure stable and consistent wiring connections for optimal audio performance.
  • Forward-Firing Bass Projection: Delivers immersive sound directly into the cabin for a full, room-filling listening experience.
  • Under-Seat Convenience: Fits neatly beneath the rear seat, saving valuable cargo space while upgrading your audio system.
  • Jack-Kit Compatible Design: Easy installation with temporary removal of the vehicle jack-kit, making DIY upgrades simple and practical.

 

Specifications:

  • Cutout Diameter: 7 1/8"
  • Total Air Volume: 1.45 ft³
  • Volume Per Subwoofer: 0.73 ft³
  • Mounting Depth: 6" (with 5 1/2” magnet diameter)
  • Height: 11 3/4”
  • Length: 57 1/4"
  • Top Depth: 11"
  • Bottom Depth: 16 1/2"
  • Material: 5/8" High-Quality MDF Wood
  • Finish: Carpeted with Durable Trunk-Liner
  • Sealant: High-Quality Titebond Silicone
  • Glue: High-Quality Titebond Wood Glue
  • Terminals: 2 Binding Post Terminals
  • Location: Under Rear Seat
  • Sound Orientation: Forward Firing
  • Notes: Requires Removal of Jack-Kit
  • UPC:
  • Weight: 45
  • 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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