FITMENT NOTE: Fits 2007-2018 Chevrolet Silverado & GMC Sierra 1500/2500/3500 Extended Cab (Double Cab). Also fits 2019 Silverado "LD" and 2019 Sierra "Limited" (Legacy Body Styles). Does NOT fit 2007 "Classic" old body style or 2019-Up New Generation trucks.
The MTX C1500EX-07L ThunderForm is a custom-fit, vehicle-specific bass solution designed for 2007–2018 Chevrolet Silverado and GMC Sierra Extended Cab (Double Cab) trucks. This "Loaded" enclosure allows you to add high-performance bass to your truck while maintaining a completely factory look. Engineered to fit perfectly under the driver’s side rear seat, the C1500EX-07L utilizes otherwise wasted space so you don't have to sacrifice legroom or cargo capacity. It comes pre-installed with a 10-inch Terminator series subwoofer that is optimized for the enclosure's sealed internal volume. Built from high-density MDF and wrapped in aviation-grade black carpet, this enclosure is the perfect choice for enthusiasts who want to provide their own external amplification for a custom-tuned audio experience.
Key Features
- Vehicle Specific Fit: Precision-engineered for 2007-2018 (and 2019 LD/Limited) Chevy/GMC Extended (Double) Cab models
- Stealth Integration: Mounts out of sight under the driver’s side rear seat with zero loss of passenger space or seat functionality
- Loaded with Terminator Performance: Pre-installed with a 10-inch Terminator series 4-Ohm subwoofer featuring a durable polypropylene cone and rubber surround
- Power Handling: Designed to handle 250 Watts RMS (500 Watts Peak)
- Rigid Construction: Manufactured from high-density 5/8" MDF to eliminate resonance and ensure deep, accurate bass reproduction
- Aviation-Grade Finish: Wrapped in high-quality black carpeting designed to match your truck’s interior and withstand heavy use
- Sealed Enclosure Design: Features 1.0 cubic foot of sealed air space, providing the ideal acoustic environment for tight, punchy low-end
- Simple Connectivity: Includes a single 4-Ohm terminal cup for a direct connection to any mono or bridged amplifier
- Complete Hardware Kit: Comes with all necessary mounting hardware for a secure and professional installation
- Frequency Response: 39Hz – 150Hz
- Sensitivity: 90.7dB
- Dimensions: 16.31" H x 20.75" W x 8" D
