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Description
MTX Audio FMUST05BK12A-TN ThunderForm Amplified 12” 200W RMS 4Ω Custom Loaded Subwoofer Enclosure (Black) for 2005-2013 Ford Mustang CoupeMTX Audio FMUST05BK12A TN ThunderForm Amplified 12" Subwoofer Enclosure 2005 2014 Ford Mustang 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 20052014 Ford Mustang without sacrificing your trunk's utility. This vehicle specific enclosure is
MTX Audio FMUST05BK12A-TN ThunderForm Amplified 12" Subwoofer Enclosure – 2005-2014 Ford MustangFITMENT 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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Fast shipping
Color: Blue, Memory Storage Capacity: 128 GB, Set name: Wi-Fi + Cellular
Item as described, mint condition, works great came with charger block and fast shipping only issue I had is with shipping carrier. FEDEX stinks showed arrival as Monday, was delivered 1/21 10:45 am yet their system showed package was in Louisville, Tn at this time later in the evening I checked again showed delivered. No package by my door from FedEx had to go to their website to find picture where the left it. Was found at entrance to my complex on top of mailboxes where anyone could have of taken it…
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Very satisfied with purchase!
Color: Silver, Memory Storage Capacity: 256 GB, Set name: Wi-Fi + Cellular
Everything worked as advertised. Nice 11rh generation iPAD.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Perfect condition
Color: Silver, Memory Storage Capacity: 512 GB, Set name: Wi-Fi + Cellular, Color: Silver, Memory Storage Capacity: 512 GB, Set name: Wi-Fi + Cellular
Works perfectly fine, no scratches or dents. Battery life is great. Worth the purchase.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Just Love this.... Read On!
Color: Silver, Memory Storage Capacity: 128 GB, Set name: Wi-Fi + Cellular
Like knew and seems to have been powered on one time only. Apple treat it as a new device.
Its spotless and works great.
I have had several ipad pro's and decided to by this instead and I actually prefer it. It does everything I could do with my ipad pro 2020 and then some. Its faster, good cameras. The e-sim card works great though I do wish it had a physical sim card slow.. oh well!
The battery life is really excellent, it was quick to set up via a transfer from my old device. I added a case that looks like a fancy note book and love it. This helps with drops and scratches. I have not added a screen protector yet.
The storage capacity is the same as my old ipad pro, I will never use 128 gb anyways...
To sum up, this gets 10 out of 10... and its a great replacement for a ipad pro!
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Great conditions just like new
Color: Yellow, Memory Storage Capacity: 128 GB, Set name: Wi-Fi + Cellular
Hey I usually don’t leave reviews but I do feel
Like this one needed one thank you for sending out the iPad well packed .. I received it in great condition it’s been working pretty good no complains I got it for my 3 year old son who’s on his third iPad lol hopefully this is his last , just like new I love it no scratches nothing literally brand new thank you
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Reviewed in the United States on May 24, 2026