FITMENT NOTE: Fits 2005-2014 Ford Mustang Coupe and Convertible (S197 Platform). Does NOT fit 2015-Up (S550) models.
The MTX FMUST05BK12A-TN ThunderForm is a custom-engineered, all-in-one bass solution designed to bring deep, hard-hitting low-end to the 2005–2014 Ford Mustang without sacrificing your trunk's utility. This vehicle-specific enclosure is rotationally molded from high-density polyethylene (HDPE), creating a virtually indestructible and resonance-free housing that fits perfectly into the passenger-side rear corner of the trunk. While most factory "premium" audio systems use smaller drivers, this ThunderForm is loaded with a high-output 12-inch Terminator series subwoofer for massive air movement. This "Amplified" model features a built-in 200-Watt RMS Class D amplifier specifically tuned to the enclosure's volume, providing a seamless, factory-integrated look with the "Thunder" that MTX is legendary for.
Key Features
- Vehicle Specific Fit: Precision-molded to fit the passenger-side trunk corner of 2005-2014 Ford Mustang Coupe and Convertible models
- High-Output 12" Subwoofer: Pre-loaded with a 12-inch Terminator series driver, providing significantly more bass extension and impact than smaller factory subwoofers
- Integrated Amplification: Built-in high-efficiency Class D monoblock amplifier delivering 200 Watts RMS (400 Watts Peak) of clean, dedicated power
- Corner-Mount Stealth: Engineered to utilize the unused corner of the trunk, leaving the main cargo area open for gear and groceries
- Indestructible HDPE Construction: Rotationally molded high-density polyethylene is resonance-free and finished in Black to match your trunk's trim
- Smart Engage Technology: Automatically powers the system on when it detects a signal from the factory speaker wires (no remote turn-on wire required)
- Universal Connectivity: Includes both RCA (low-level) and speaker-level (high-level) inputs for easy integration with Shaker systems or aftermarket radios
- On-The-Fly Control: Includes an External Bass Control (EBC) remote knob, allowing you to adjust the subwoofer volume from the driver’s seat
- Acoustic Performance: Sealed 1.0 cubic foot enclosure provides tight, accurate, and musical bass response
- Frequency Response: 24Hz – 160Hz
- Dimensions: 15.5" H x 23.5" W x 10.5" D
