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Ground Shaker  GS-NP212B New

Black 12" Dual Ported Center Sub Box

Item #99327

Condition:   Brand New

Product Highlights

  • Black
  • 12"
  • Dual Ported
  • Center
  • Sub Box

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

$178.00

Reg. Price $228.00  Save $50.00
  Free 2-Years Warranty Included!

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Ground Shaker GS-NP212B Black 12" Dual Ported Center 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?
  • • 12" Black Dual Ported Center Sub Box
  • • Owner's Manual
Ground Shaker
35Hz Dual Slot Port Power with Smooth Controlled

Built for U.S. car audio enthusiasts, this enclosure is precision-tuned at 35Hz to deliver smooth, deep, and punchy bass that performs effortlessly for versatile everyday listening. Its dual precision slot port design improves airflow efficiency, reduces distortion, and produces louder, cleaner bass output with refined control. Featuring an optimized 2.60 FT³ internal air chamber, it enhances low-frequency extension while maintaining strong, musical, and well-balanced bass response that stays accurate and powerful.

Precision 11 1/8” Fit with Solid MDF Stability

Engineered for serious audio performance, this enclosure features a high-performance 11 1/8” cutout fitment designed for larger subwoofers, maximizing output potential and delivering efficient power handling. Built from durable 11/16” premium MDF, it provides strong structural integrity, reduced vibration, and long-lasting reliability under heavy bass use. Its reinforced cabinet construction minimizes flex and unwanted resonance, ensuring consistently clean, tight bass performance even at high volume levels.

 

Ground Shaker
Ground Shaker
Airtight Engineering with Dual High-Performance Connectivity

Designed for a clean, professional installation, this enclosure is wrapped in durable trunk liner carpet that delivers a sleek factory-style appearance, blending seamlessly into modern American vehicles. Its industrial airtight sealing system uses premium Titebond silicone reinforced with high-strength wood glue, ensuring zero air leakage for maximum efficiency and consistent, powerful bass performance. Equipped with dual spring-loaded terminals, it provides fast, secure, and reliable wiring connections built to handle demanding high-performance audio systems with confidence and stability.


SPECIFICATIONS


  • Speaker Size : 12 Inches
  • Number Of Subwoofers : 2
  • Construction : 11/16 MDF
  • Volume : 2.60 Cu. Ft.
  • Enclosure Type : Ported

FEATURES


Features:

  • American-Style Balanced Bass Tuning: Engineered for U.S. car audio enthusiasts, delivering smooth, deep, and punchy low-end response tuned at 35-Hz for versatile everyday performance.
  • Dual Slot Port High-Output Design: Equipped with 2 precision slot ports that enhance airflow efficiency, reduce distortion, and produce louder, cleaner bass output.
  • Optimized 2.60 FT³ Air Chamber: Carefully designed internal volume that improves low-frequency extension, giving you strong, controlled, and musical bass response.
  • High-Performance 11 1/8" Cutout Fitment: Built for larger subwoofer compatibility, ensuring maximum output potential and efficient power handling.
  • Durable 11/16” MDF Construction: Crafted from premium MDF wood for superior strength, reduced vibration, and long-term structural durability.
  • Reinforced Stable Enclosure Build: Solid cabinet design minimizes flexing and resonance, ensuring clean bass even at high volume levels.
  • Professional Trunk-Ready Finish: Wrapped in durable trunk liner carpet for a clean, factory-style appearance that blends seamlessly into modern American vehicles.
  • Industrial Airtight Sealing System: Fully sealed with high-quality Titebond silicone and reinforced with Titebond wood glue for maximum efficiency and zero air leakage.
  • Dual Spring Terminal Setup: Equipped with 2 spring-loaded terminals for fast, secure, and reliable wiring in high-performance audio systems.

 

Specifications:

  • Cutout Diameter: 11 1/8"
  • Air Volume: 2.60 FT³
  • Tuning Frequency: 35 Hz
  • Port Type: 2 Slot Ports
  • Port Dimensions: H-11 3/4” x W-1 1/2” x L-27”
  • Mounting Depth: 14"
  • Height: 13 1/2”
  • Length: 33 1/4"
  • Depth: 17 1/2"
  • Material: 11/16” High Quality MDF Wood
  • Finish: Durable Trunk Liner Carpet
  • Sealant: High Quality Titebond Silicone
  • Adhesive: High Quality Titebond Wood Glue
  • Terminals: 2 Spring Loaded Terminals
  • UPC:
  • Weight: 55
  • 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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