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Description
MTX Audio Thunder51 5.25” Thunder Series 90W RMS 2-Way Component Car Speaker System 4-OhmMTX Audio THUNDER51 Thunder Series 5. 25" 2 Way Component Speaker System 180 Watt Max, 4 Ohm The MTX THUNDER51 is a high performance 5. 25 inch component speaker system designed for enthusiasts who want to take their car audio to the next level. As part of the THUNDER series, these speakers are engineered with a specific focus on low frequency reproduction, playing much lower than competitive models to provide a rich, full range experience even in
MTX Audio THUNDER51 Thunder Series 5.25" 2-Way Component Speaker System – 180 Watt Max, 4-OhmThe MTX THUNDER51 is a high-performance 5.25-inch component speaker system designed for enthusiasts who want to take their car audio to the next level. As part of the THUNDER series, these speakers are engineered with a specific focus on low-frequency reproduction, playing much lower than competitive models to provide a rich, full-range experience even in systems without a subwoofer. The system features a durable polypropylene woofer cone with a concave design for improved off-axis response and a 25mm soft dome tweeter that can be swivelled up to 15 degrees for precision imaging. With its integrated 2-way crossovers featuring adjustable tweeter levels, the THUNDER51 delivers a balanced, professional-grade soundstage with the legendary "Loud and Clear" output MTX is famous for.
Key Features
- Extended Low Frequency Reproduction: Specifically engineered to deliver a bigger, fuller sound with better bass response than standard 5.25" speakers
-
Power Handling:
- 90 Watts RMS Each (180 Watts per set)
- 180 Watts Peak Each (360 Watts per set)
- Concave Cone Design: The polypropylene woofer features a concave design to improve off-axis response and mid-bass impact
- 25mm Soft Dome Tweeters: Silk dome tweeters provide smooth, detailed highs and can be flush or surface mounted with the ability to swivel for optimal imaging
- Adjustable Precision Crossovers: Includes two 2-way crossover networks with Mylar capacitors and a 2-position tweeter level adjustment (0dB or -3dB)
- Spider Plateau Venting: A mechanical cooling process that circulates air around the voice coil to maintain thermal stability and prevent distortion
- Versatile Installation: Includes woofer grilles, multiple tweeter mounting brackets, and adapter rings for a seamless fit in most vehicles
- Durable Construction: Built with a high-temperature 1-inch voice coil and rubber surrounds to withstand the rigors of daily high-volume use
- Frequency Response: 51Hz – 20kHz
- Sensitivity: 90dB (2.83V/1m)
- Mounting Depth: 2.24" (56.9mm)
- Cut-out Diameter: 4.65" (118.1mm)
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
4.2 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Great Launcher.
Style: 1.7" Ball
It launches balls impressively far, which keeps my pup happily running and burning off energy. No longer having to bend down to pick up slobbery tennis balls! is a huge win! It’s lightweight, easy to use, and surprisingly durable.
Highly recommend for anyone with an energetic pup and a desire to keep fetch going without the strain! Just note that it is for smaller sized tennis balls.
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Reviewed in the United States on August 12, 2025
★★★★★ 5
Excellent product, but keep it away from chewers.
Style: 2.5" Ball
This is a very strong and effective launcher and could have lasted a very long time had my 9 month old not chewed the ball claw end off. I will buy again.
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Our Dog Loves This Ball Thrower So Much
Style: 2.5" Ball
Works excellent for dogs that like to fetch! Our family dog loves this toy. He will bark and jump as soon as he sees us pick it up. The dog next door to us gets excited when he sees us play with our dog with this dog ball thrower. Its that good for dogs who love to fetch and run. Perfect for the young and elderly to play fetch with a pet dog. If you have back or shoulder problems works very well. You don't have to bend down and pick up a slobbery ball. Nope you use this to pick up, grip up and grab the ball. Wish every dog could have this ball thrower in their lives. It has changed the way we play fetch with our dog.
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Reviewed in the United States on August 5, 2025
★★★★★ 4
Good Pet Ball Launcher
Style: 2.5" Ball
I bought to throw balls for my Aussie. He does not like to tennis ball that came with it and chewed it up in less than one play time. The launcher seems to be of good quality and works well. We bought different balls made for launchers that work well.
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Reviewed in the United States on October 24, 2025
★★★★★ 5
Must-Have for Dog Owners (Whow have dogs that like to fetch)
Style: 2.5" Ball
Soon as this launcher arrived I went outside with the dogs to try it out. Long story short: This is a great fetch toy. I am able to launch the ball pretty far with little to no effort, and picking the ball back up is as easy as grabbing it with my own hand.
The toy itself is very sturdy, so much so this is the only fetch-toy I'll ever have to buy. Considering how durable it is, I don't think I'll ever need to buy a replacement. I believe Chuck-It is the most popular option, and because this is the first fetch-toy I purchased, I can't really compare it to anything else. A few outlier reviews said the ball was difficult to launch, and I have to disagree. It has been so easy to use I can't possibly see what the problem is. And no, upper body strength is not a factor as I virtually have none. People can get great distance (Half the length of a football field by my eye) in one simple, easy motion. And if other products can launch the ball farther, so what? How far is far enough? Is your dog going to throw a fit because it went 40 meters instead of 50? No. They will not. For anyone upset this toy doesn't launch far enough, ask yourself this: Is the toy for their dog? Or the human who bought it?
The bottom line is this: It feels like it's built to last, it's inexpensive, and it does what it is supposed to do. So long as a toy is "good enough" I don't see the point in splitting hairs and trying to determine which fetch toy is the absolute best.
Saying it's good enough is a bit misleading though. I can't imagine how a dog toy like this could be any better.
It's a must-have for any dog owner. Unfortunately, only one of my pups likes to fetch...
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Reviewed in the United States on January 6, 2020
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