Question about MTX Thunder 4250D Car Audio Amplifier

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How can i hook up a second battery to my MTX 4105d amp

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Well the best way is keep the amp hooked up how it is now and on your amp there is a + and a - for a cap hook up the negative to the negative for the battery and the positive to a fuse like with a 60 amp fuse then the other end of the fuse link goes to the battery

Posted on Aug 04, 2010

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Posted on Jan 02, 2017

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Connecting mtx fex10a-tn subwoofer to sony xav601bt


You should always wire your amp directly to your battery. and an inline fuse of about 100 amp. about 3-5 feet from the battery.

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Tryin to hook up a mtx electronic crossover rt-01a. i dont know how to hook it up


Your basic crossover is going to have a power (+) and ground (-). Your power wire goes to the battery, and your ground goes to the frame. You will need to hook up your RCA or speaker wires to the input side. Then hook the other two RCA connections to your amp.

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Can you bridge 2 4 ohm kicker speakers to a mtx thunder 7801 amp?


Ya. Just hook one sub to your amp (bridged) and hook the other sub (positive and negative) to the first subs positive and negative

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1 Answer

I have a MTX 4105D amp and it cuts in and out what could it be


could be not enough voltage or the settings on the amp are not correct for the sub you have its a feature that MTX put on thier new amps

Aug 04, 2010 | MTX Thunder 4250D Car Audio Amplifier

1 Answer

It keeps killing my battery


Power hungry unit and the battery may not be enough for the amp, could be a bad cell in the battery.....

Apr 06, 2010 | MTX Thunder 4202 Car Audio Amplifier

1 Answer

Can you help with my wiring?


The more amp you are pushing the better. Better too much amp then not enough. How many watts per speaker? less then the amp I hope. When you need decibles the more air you push the louder it will be. Enclose in a MDFB enclosure or plexiglass and feed towards each other and port the box to the sides. This will cause some annoyance. We ran 2 rockforts @1000 watts and abtained 137dc before the back windshield blow out,,lol

Mar 09, 2010 | MTX 6001 Car Audio Amplifier

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I have a mtx thunder 1501d..i have the power cord connected from the battery, to a power cap and then to the amp...i have the ground connected to the metal frame of the car, to a power cap and then to the...


Hello tonytone54, The ground should go directly to the vehicle frame, never through a cap, fuse, or anything else. Also, if you are connecting positive through a cap, make sure that you charge the cap before connecting it. Hope this helps.

Jun 03, 2009 | MTX Thunder 1501D Car Audio Amplifier

1 Answer

When i hook up my amp. i have all my wires hooked up right,


this is a signal crash either your speaker wires are crossed (wrong wiring phase) or your RCA jacks need replacing also it could be inside your amp the solder lines may have fused. If after checking and replacing wiring problem persists return to MTX for repair.

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Mtx audio jh202 amp


my amp is blowing fuses?? any hints?

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1 Answer

Mtx 895 trouble


check your fuse up front first. some amps will turn the light on with only the remote wire (the 12 volt signal from the head unit). That may be your issue. If not you need to check your signal input. try hooking the rca's to a diffrent source, i.e. other radio your tv anything with Rca out put. If still you get nothing then pull your subs out and take a regular 9 volt battery and touch the leads to the positive and negative of the sub. Just for a moment though if the subs move when they come in contact with the charge from the battery then my last suggestion would be to take it to a store where you can have an authorized tech check out the equiptment. Good luck

Nov 19, 2007 | MTX Thunder 895 Car Audio Amplifier

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