Will two mtx thunder 4500 12`s handle a keenwood kac 7252?

Question edited to add amp maker and correct name of sub.

Use copper core stranded wires.

https://www.manualslib.com/manual/424118/Kenwood-Kac-7202.html?page=6#manual

More here

https://www.google.com/search?q=kenwood+kac-7252+connect+to+subwoofer

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The Kenwood KAC-7252 and KAC-9104D are both great amps, but they have different strengths and weaknesses. The KAC-7252 is a 5-channel amp that can output 75 watts per channel at 4 ohms. It also has a built-in crossover and time alignment, which can be helpful for getting the most out of your woofers. The KAC-9104D is a 4-channel amp that can output 100 watts per channel at 4 ohms. It also has a built-in subwoofer output, which can be used to power a separate subwoofer.
If you are looking for an amp that can power all of your speakers, the KAC-7252 is a great option. It is also a good choice if you want an amp with built-in crossover and time alignment. However, if you are looking for an amp that can power a subwoofer, the KAC-9104D is a better choice. It is also a good choice if you want an amp with more power output.
Ultimately, the best amp for you will depend on your specific needs and budget. If you are not sure which amp is right for you, it is always a good idea to consult with a professional car audio installer.
Here is a more detailed comparison of the two amps:
Kenwood KAC-7252

• 5-channel amp
• 75 watts per channel at 4 ohms
• Built-in crossover and time alignment
• MSRP: $399

Kenwood KAC-9104D

• 4-channel amp
• 100 watts per channel at 4 ohms
• Built-in subwoofer output
• MSRP: $499

I hope this helps!

Unfortunately nowhere!

https://www.google.com/search?q=Kenwood+kac-7252+replacement+remote

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1.-check proper heat sink, or dissipation.
2.- check speaker impedance. Must match between amp and speakers.
3.-low power line on the house may cause low efficience work on the amp, overheat, and finally fuse protection.
4.- finally, check speaker wires. Thin cable overheat amp too.

It should tell you on the back of the sub ,The continus watts it will handle, If not phone the place you got it from, Or some place that sells them,

I would hook up the subs in parallel set up. Lower the resistance causes the amp to create more power to the amp. Your amp can handle 2 ohm load so from my stand point it is best to set up this way. Here is the link that displays how to set up subs:

http://www.crutchfield.com/S-cgSECUmngLm/learn/learningcenter/car/subwoofers_wiring.html

Click on this link. It will give you everything you need.
http://images.kenwood.eu/files/prod/23/5/KAC-7252-7202_(EN).pdf

Is there a option on the chanels that say ''Bridged''? If so, you can hook the subs up in parellel or series to get different ohm loads. Usually the lower ohms, the more power amp puts out. Those subs can handle 225 watts RMS whitch means the power it can handle constantly. If the amp gives more than 225 watts RMs, you could be at risk of blowing the sub. If you could give me the model # of the amp, I can be of more help.

first of all you should check the minimal impedance your amp handles , if is class d it should handle between 1-2 ohms total impedance in a mono conection , meaning whatever quantity of subs you have hooked to your amplifier,their total impedance should the minimum the amp handles that way all the power from your amplifier will be used.

If the KAC-7252 is to be bridged, the operation mode switch on the top of the amp is set to mono. When switched to Mono, the signal from the left channel input only is used. Bridging creates 4 times as much power so the KAC-7252 delivers 170 Watts per channel so that 340 watts total so that value 340 is multiplied by 4 and that gives you 1360 watts of power. so it will drive them.