GS-STCC12B

The Ground Shaker GS-STCC12B is a premium custom-fit dual 12-inch sealed subwoofer enclosure engineered specifically for Chevy Silverado and GMC Sierra Regular Cab trucks. Designed to fit cleanly behind the seat while maximizing bass performance, this enclosure delivers tight, accurate low-frequency response without sacrificing valuable cabin space.

Built from high-quality MDF wood and finished in a durable black trunk liner coating, the GS-STCC12B features dual independent sealed chambers optimized for sound quality and reliable subwoofer performance. Its forward-firing design directs bass into the cabin for stronger, cleaner output while maintaining a factory-style fit.

Features

• Custom-fit design for Chevy Silverado & GMC Sierra Regular Cab trucks
• Dual 12-inch sealed subwoofer enclosure
• Forward-firing subwoofer configuration
• Dual independent sealed chambers
• Durable black trunk liner finish
• High-quality MDF construction
• Premium binding post terminals
• Optimized for tight, accurate bass response
• Fits behind seat
• No need to remove center console during installation

Specifications

• Subwoofer Size: Dual 12”
• Enclosure Type: Sealed
• Total Air Volume: 1.50 ft³
• Air Volume Per Subwoofer: 0.75 ft³
• Cutout Diameter: 11-1/8”
• Maximum Mounting Depth: 6-3/4”
• Number of Chambers: 2 Individual Chambers
• Dimensions:
  • Height: 13-3/4”
  • Length: 53-1/4”
  • Top Depth: 5”
  • Bottom Depth: 9”
• Weight: 42 lbs
• Construction Material: High-Quality MDF Wood
• Finish: Black Trunk Liner Carpet
• Terminal Type: Dual Binding Post Terminals

Vehicle Compatibility

• 2007–2024 Chevy Silverado Regular Cab
• 2007–2024 GMC Sierra Regular Cab

Installation Notes

• Fits behind seat
• Forward-firing configuration
• No center console removal required
• Some oversized subwoofer baskets or magnets may not fit