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Ground Shaker  GS-30HZ28B New

Black 8" Dual Ported Competition 30-Hz Sub Box

Item #99323

Condition:   Brand New

Product Highlights

  • Black
  • 8"
  • Dual Ported
  • Competition
  • 30-Hz Sub Box

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

$250.00

Reg. Price $300.00  Save $50.00
  Free 2-Years Warranty Included!

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Ground Shaker GS-30HZ28B Black 8" Dual Ported Competition 30-Hz Sub Box

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 Ported Competition 30-Hz Sub Box
  • • Owner's Manual
Ground Shaker
Compact Power with Smooth, Hard-Hitting Low-End

Built for serious bass lovers who crave deep, ground-shaking performance, this enclosure is precision-tuned at 30Hz to deliver ultra-low frequencies with powerful, chest-thumping impact. Its high-efficiency single slot port is engineered to optimize airflow, reduce distortion, and produce smoother, louder bass with greater control and clarity. With a compact yet high-output 1.77 FT³ air chamber, it enhances low-end extension while maintaining tight, accurate response, giving you deep, aggressive bass performance without taking up excessive space.

Heavy-Duty MDF Build with Extra-Rigid Front Power

Built to handle serious bass demands, this enclosure is constructed from premium 3/4” high-quality MDF, delivering outstanding durability, reduced vibration, and long-lasting structural integrity under heavy use. An upgraded 1” thick front baffle adds extra rigidity to the design, minimizing flex and enhancing subwoofer stability, resulting in cleaner, tighter bass performance even at high output levels.

 

Ground Shaker
Ground Shaker
Airtight Precision with Dual Power Connectivity

Designed for a clean, professional install, this enclosure is wrapped in durable trunk liner carpet that delivers a sleek factory-style finish, blending seamlessly into modern American vehicles. Its precision airtight sealing system uses premium Titebond silicone reinforced with high-strength wood glue, ensuring zero air leaks for maximum bass efficiency and consistent performance. Equipped with dual spring-loaded terminals, it provides fast, secure, and dependable wiring connections built to support high-performance audio setups with confidence.


SPECIFICATIONS


  • Speaker Size : 8 Inches
  • Number Of Subwoofers : 2
  • Construction : 3/4 MDF
  • Volume : 1.77 Cu. Ft.
  • Enclosure Type : Ported

FEATURES


Features:

  • Deep 30-Hz American Bass Tuning: Engineered for true low-frequency lovers, delivering ultra-deep, chest-rattling bass tuned at 30-Hz for maximum impact in U.S. car audio setups.
  • High-Efficiency Slot Port Design: Features a precision 1-slot port that enhances airflow, reduces distortion, and produces smoother, louder, and more controlled bass output.
  • Compact High-Output Subwoofer Chamber: Built with a 1.77 FT³ air volume that improves low-end extension while maintaining tight, accurate bass response in a compact design.
  • Heavy-Duty 3/4” MDF Construction: Crafted from premium high-quality MDF wood for maximum durability, vibration reduction, and long-lasting structural strength.
  • Reinforced 1” Front Baffle Strength: Extra-thick front baffle minimizes flexing and enhances rigidity for cleaner bass and improved subwoofer stability under heavy load.
  • Professional Trunk-Ready Finish: Wrapped in durable trunk liner carpet, giving your setup a clean, factory-style appearance that blends perfectly into modern American vehicles.
  • Precision Airtight Sealing System: Fully sealed using high-quality Titebond silicone and reinforced with Titebond wood glue to ensure zero air leakage and maximum bass efficiency.
  • Dual Spring Terminal Connectivity: Equipped with 2 spring-loaded terminals for fast, secure, and reliable wiring in high-performance audio installations.

 

Specifications:

  • Cutout Diameter: 7 1/8"
  • Air Volume: 1.77 FT³
  • Tuning Frequency: 30 Hz
  • Port Type: 1 Slot Port
  • Port Dimensions: H-8 1/2” x W-2” x L-25”
  • Mounting Depth: 12"
  • Front Baffle Thickness: 1"
  • Height: 10 1/4”
  • Length: 29 1/4"
  • Depth: 18 1/4"
  • Material: 3/4" High Quality MDF Wood
  • Finish: Durable Trunk Liner Carpet
  • Sealant: Titebond High Quality Silicone
  • Adhesive: Titebond Wood Glue
  • Terminals: 2 Spring Loaded Terminals
  • UPC:
  • Weight: 41
  • 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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