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Ground Shaker  GS-STGM212B New

Black 12" Dual Sealed Enclosure for 1999-2006, GMC Sierra Regular-Cab Truck

Item #99049

Condition:   Brand New

Product Highlights

  • Black 12"
  • Dual Sealed Enclosure
  • for 1999-2006, GMC Sierra
  • Regular-Cab
  • Truck

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

$280.00

Reg. Price $330.00  Save $50.00
  Free 2-Years Warranty Included!

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Ground Shaker Authorized Dealer

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Ground Shaker GS-STGM212B Black 12" Dual Sealed Enclosure for 1999-2006, GMC Sierra Regular-Cab Truck

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?
  • • 10" Black Dual Sealed Enclosure
  • • Owner's Manual
Ground Shaker
Concert-Quality Bass, Right in Your Truck

Feel every beat with forward-firing bass that fills your cabin with deep, powerful low frequencies, making every drive an unforgettable audio experience. Precision-engineered dual chambers deliver tight, distortion-free lows, keeping your music crisp and dynamic at all volumes. Optimized airspace ensures each subwoofer hits with maximum punch and clarity, giving your truck a soundstage that rivals a live concert.

Hidden Fit, Heavy-Hitting Bass

Maximize your truck’s interior space with a sleek, behind-seat design that keeps your cabin functional while delivering uncompromised sound. Built tough from high-quality materials and reinforced with premium adhesives and silicone, this system stands up to long drives, daily wear, and rugged road conditions, giving you powerful, reliable bass that lasts mile after mile.

 

Ground Shaker
Ground Shaker
Instant Impact, Built to Last

Bring concert-level bass directly to your cabin with forward-firing design that delivers deep, powerful lows the moment you hit play. Wrapped in rugged trunk-liner carpet, this system resists scratches, spills, and daily wear while keeping a sleek, professional appearance. Quick-connect spring-loaded terminals make installation effortless and secure, so you can enjoy immersive sound without the hassle.


SPECIFICATIONS


  • Speaker Size : 12 Inches
  • Number Of Subwoofers : 2
  • Construction : 5/8 MDF
  • Volume : 2.40 Cu. Ft.
  • Enclosure Type : Sealed
  • Vehicle Make : GMC

FEATURES


Features:

  • High-Impact Forward Bass: Projects deep, powerful low frequencies directly into the cabin for a ride that feels like a live concert.
  • Dual Chamber Engineering: Each of the two chambers is precision-tuned to deliver tight, distortion-free bass that hits hard on every track.
  • Optimized Airspace Design: 2.40 ft³ total air volume provides each subwoofer 1.20 ft³ of tuned space for maximum punch and clarity.
  • Sleek Behind-Seat Installation: Designed to fit snugly behind your seat, keeping your truck interior functional without sacrificing sound quality.
  • Rugged, Road-Ready Construction: Made from 5/8" high-quality MDF, reinforced with premium Titebond glue and silicone for long-lasting durability.
  • Forward-Firing Bass Advantage: Bass is directed straight to listeners for immediate impact, making every ride immersive and powerful.
  • Durable Trunk-Liner Finish: Carpeted exterior resists scratches, spills, and everyday wear while maintaining a sleek, professional look.
  • Quick-Connect Spring Terminals: Easy-to-use spring-loaded terminals make installation fast, secure, and hassle-free.

 

Specifications:

  • Cutout Diameter: 11 1/8"
  • Total Air Volume: 2.40 ft³
  • Chambers: 2 Individual Chambers
  • Volume Per Subwoofer: 1.20 ft³
  • Mounting Depth: 7"
  • Note: Subwoofers with wide baskets/magnets may not fit
  • Height: 16 1/4”
  • Length: 48 1/4"
  • Top Depth: 5 1/2"
  • Bottom Depth: 9 1/2"
  • Material: 5/8" High-Quality MDF Wood
  • Finish: Durable Trunk Liner Carpet
  • Sealant: High-Quality Titebond Silicone
  • Glue: High-Quality Titebond Wood Glue
  • Terminals: 2 Spring-Loaded Terminals
  • Placement: Fits Behind Seat
  • Orientation: Forward Firing
  • Note: Center console may need removal during installation
  • UPC:
  • Weight: 43
  • 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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