20 Most Recent MTX Thunder 3401 Car Audio Amplifier Questions & Answers


You are def overheating, If the ohms rating of the subwoofer is too low it will cause this same thermal over heat. If you have 2ohms in sub and a 4 ohms stable amp, you will overheat. Check the ohms rating of the sub to make sure this is not the problem

MTX Thunder 3401... | Answered on Feb 03, 2011


turn down music open sub box and put another speaker at wire and check again if work means sub is ok if not check the signal cable, and put there the speaker to try signal

MTX Thunder 3401... | Answered on Apr 06, 2010


If the amp produces no boom with no signal input cables connected, I'd suggest using an LOC.

Let me know if you have any other questions.

MTX Thunder 3401... | Answered on Sep 30, 2008


Check the ohm measurement of the speakers make sure they are about the rated ohms.Check them UNHOOKED from the amp. (Useually 4 ohms.)

Try different subs.

MTX Thunder 3401... | Answered on Jul 17, 2008


Kind of a vague problem description, can you be a little bit more specific. What problems you are experiencing, how many speakers/subs were you powering with it, does it show that it has power, did you check the fuses?

MTX Thunder 3401... | Answered on Jul 17, 2008


Check the wiring 1st then go down the line...Check speaker connections..Look at your power,ground and remote wire hook up

MTX Car Audio &... | Answered on Oct 18, 2018


Since this is a vintage item, the cost is whatever the market will bear, wherever you're trying to sell it. I would suggest checking current prices on sites such as eBay, where one is currently being offered to sell at $200, while another is being offered for $90. The perceived value is what determines the selling price at this point, because the MSRP is long irrelevant by now, being that it's a discontinued item.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/reginald_bec291de192ca44f

MTX Car Audio &... | Answered on Jul 08, 2017

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