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Description
MTX C1500C-07L ThunderForm 10” 200W RMS 4Ω Custom Loaded Subwoofer Enclosure for 2007-2018 Chevrolet Silverado / GMC Sierra Crew Cab (Black)MTX Audio C1500C 07L ThunderForm Loaded 10" Subwoofer Enclosure 2007 2018 Chevy GMC Crew Cab FITMENT NOTE: Fits 2007 2018 Chevrolet Silverado & GMC Sierra 1500 2500 3500 Crew 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 C1500C 07L ThunderForm is a custom engineered bass solution designed to provide hard hitting low end while
MTX Audio C1500C-07L ThunderForm Loaded 10" Subwoofer Enclosure – 2007-2018 Chevy/GMC Crew CabFITMENT NOTE: Fits 2007-2018 Chevrolet Silverado & GMC Sierra 1500/2500/3500 Crew 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 C1500C-07L ThunderForm is a custom-engineered bass solution designed to provide hard-hitting low-end while maintaining a completely stock appearance. Tailored for 2007–2018 Chevrolet Silverado and GMC Sierra Crew Cab models, this enclosure fits perfectly under the driver’s side rear seat. This "Loaded" version comes pre-installed with a high-performance 10-inch Terminator series subwoofer, optimized for the enclosure's specific air volume. Constructed from high-density MDF and wrapped in aviation-grade black carpet, the C1500C-07L is built to handle 250 Watts RMS. It is the ideal choice for truck owners who prefer to use an external amplifier to power their system.
Key Features
- Vehicle Specific Fit: Custom-engineered for 2007-2018 (and 2019 LD/Limited) Chevy/GMC Crew Cab models
- Stealth Integration: Installs out of sight under the driver’s side rear seat with no loss of legroom or seat functionality
- Terminator Subwoofer Included: Pre-loaded with a 10-inch Terminator series 4-Ohm subwoofer
- Power Handling: Optimized to handle 250 Watts RMS (500 Watts Peak)
- Rugged MDF Construction: Built using high-density 5/8" MDF to ensure a rigid, vibration-free performance
- Aviation-Grade Finish: Wrapped in durable black carpeting designed to match the factory interior
- Sealed Design: Features a 0.7 cubic foot sealed internal volume for punchy, accurate bass response
- Easy Installation: Includes all necessary mounting hardware for a secure, professional-grade install
- Impedance: Single 4-Ohm terminal for easy connection to any mono or bridged amplifier
- Frequency Response: 39Hz – 150Hz
- Dimensions: 16.31" H x 20.75" W x 8" 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
4.8 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 4
A little thin
Size: Twin, Color: 06 - Sand
Nice sheet, very soft but a little thin for my liking
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Reviewed in the United States on January 6, 2026
★★★★★ 5
Wonderful knit sheet
Size: Queen, Color: 01 - White
I ordered the white queen size fitted sheet. I've washed and dried this sheet (on low) and it is wearing well. Actually not wearing at all---it's as good as when it was brand new. The packaging is nicely done, the elastic holds, the material is smooth and comfortable, it's just plain a good thing. Our queen mattress isn't super high, maybe 12" and it fits fine with a little tucking at the bottom. For sure this sheet would fit a much higher mattress. The fact that I had to cinch the bottom a little bit does not take away from how lovely this sheet is. I would definitely buy again.
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Reviewed in the United States on April 3, 2024
★★★★★ 5
Finally we BOTH can sleep comfy!
Color: 08 - Black, Size: Queen
So for years my boyfriend has always liked “jersey sheets” or “tee shirt” sheets or sheets made of flannel. He says he doesn’t like the feeling of cold “silky” feeling sheets as he’s always cold. I’m opposite and am always hot, and anytime we stayed in a nice hotel I looked forward to being able to sleep on cooler, taught, soft sheets for a couple of nights. I was able to deal with our old sheets but the issue we both hated was after awhile any sheet we got would get pilling. We even splurged and got a $60 flannel sheet which did the same thing forcing me to shave off these little annoying fuzz balls that make it feels like there is thousands of crumbs on the sheets. I also would wash our bedding once a week because the Jersey sheets seemed to “grow” as we move around in bed making it so the sheet was not taught and super annoying to lay on. The day I would wash them they would be comfortable but ultimately by the end of the week they would be almost hanging off our mattress. I ordered these sheets on a whim and got them the same day and immediately just threw out the jersey sheet and put this on (I didn’t even wash it, I know it’s gross but I was desperate for a comfy nights sleep and they came around 8pm) when I put them on I realized how soft and comfortable they felt. I also liked how the pillow cases are larger than most pillow cases that I have had in the past. We’ve been using these sheets for about a week and I love how I don’t wake up with my pillow popping out of the case anymore. The sheets have loosed ever so slightly since a week of sleeping but still are really taught and comfortable. They are cooler than flannel or fabric sheets and are initially cold when you first lay on them but I wouldn’t consider them “cooling” but they keep me from feeing extremely hot. They are way better than I ever would have expected for the price. I look forward to laying on them at the end of each day, even my boyfriend laid in bed the day I got them and said “wow I didn’t think I would like sheets like this, these are so soft!” And fell asleep immediately. We ended up ordering a second set in grey and the color is pretty. I still have yet to wash them, I usually use 2 tide pods when washing the bedding but I might get some fabric softener (as I hear it helps with pilling) to prevent the possibility of having that happen to these sheets in the future. I am hoping they hold up well after the wash and longer use. If they start to pill after wash, I will come back and update my review. Until then, I would highly recommend these sheets for the quality and the price point that they are offered at. Honestly, at this point even if they pill months from now I probably wouldn’t even be upset as long as they stay the same price I would just buy another set as they are just that comfortable and soft.
UPDATE: So it has been about 3 months since I have purchase and used these sheets. They are still as soft as the day I first put them on. I’ve been washing them bi-weekly along with my comforter and pillowcases. I wash them with warm water using a combination of tide pods and added Downy fabric softener. They say to hang dry them in the description but I have been putting them in the dryer on medium and have been taking them out after around 20-25 minutes, they seem to dry extremely quickly. They have yet to have absolutely any pilling and also have not shrunk or stretched. Also I have a cat that is very active and also sleeps with me who enjoys kneading on my bed and I haven’t even noticed any signs of wear what so ever to the eye or to the feel. I highly recommend these sheets. I still have yet to even open the second set I purchased!
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Reviewed in the United States on January 10, 2024
★★★★★ 5
Happy With Our Purchase
Color: 07 - Charcoal, Size: King, Color: 07 - Charcoal, Size: King
When we opened the package the sheets were soft. We wash everything before we use it, so in these went. The sheets held nicely through the washing machine, the edges stayed sewn up and the sheets are still fluffy. The sheets fit nicely on our bed and have a nice cooling effect in this 80-degree weather. We think these sheets were a quality purchase that was affordable.
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Reviewed in the United States on June 6, 2026
★★★★★ 5
Honest Review
Color: 25 - Burgundy, Size: Queen
Very good product, I would highly recommend it. It is soft and keeps you cool throughout the night. I am someone who burns hot all day and night so these sheets have been a great purchase so far as I can tell. I got the red ones and they are very nice and pleasing to the eye. The quality of the sheets is high and not to bad for the price considering other products. It’s not very elastic so make sure you purchase the right size. You get 2 pillow cases and 2 sheets. The sheets seem pretty durable as well which is nice.
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Reviewed in the United States on June 8, 2026