Ground Shaker GS-NGMP28B

Name: Ground Shaker GS-NGMP28B
Brand: Ground Shaker
SKU: GS-NGMP28B
Price: 315.0 USD
Availability: InStock

In Stock

Part No.-GS-NGMP28B

$315.00 _$395.00

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SKU :GS-NGMP28B

Brand :Ground Shaker

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Ground Shaker GS-NGMP28B 8" Black Dual Ported Sub Box for 1999-2006 & 2007 Classic GMC Sierra Ext-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 Ported Sub Box
• Owner's Manual

Dual-Ported Bass Power

This dual-port subwoofer enclosure features a 7 1/8" cutout diameter and two individual chambers, each with 0.81 ft³ of air volume for deep, rich bass. Tuned at 36 Hz with two precision slot ports, it delivers powerful low-end performance that fills your vehicle with clear, punchy sound. Weighing just 39 lbs with a 6 3/4" mounting depth, it offers easy installation without compromising space.

Perfect Fit, Maximum Bass

Measuring 8 1/4" in height, 54 1/4" in length, and 13 1/2" in depth, this dual-port subwoofer enclosure fits perfectly under your vehicle’s rear seat for a clean, factory-style look. Its spacious internal design maximizes airflow, producing deeper, richer bass for an immersive audio experience. Engineered for both convenience and performance, it delivers powerful sound without taking up valuable cabin space.

Durable Build, Deep Bass

Crafted from 5/8" high-quality MDF wood, this dual-port subwoofer enclosure is built to last while providing a solid foundation for powerful sound. The rugged trunk liner carpet finish, sealed with premium Titebond silicone and glued with Titebond wood glue, ensures an airtight design for rich, distortion-free bass. With 2 binding post terminals, it delivers secure connections and consistent, high-performance audio every time.

Additional Information

Brand	Ground Shaker
Model	GS-NGMP28B
Condition	Brand New