Question about AudioBahn A8000V 400W x 1 Car Amplifier Car Audio Amplifier

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Amplifier not working

First of all the amp was playing then it start it to shut down in protect mode but would come back on an play again. then the last time it stop playing it stay in protect mode and was making a ticking sound. someone told me the outputs were bad so i replace the transistor that look to be bad but the nte 2395 that replace the factory install blew as soon as power came on and now the fuses are blow as soon as power is connect to the amplifier. how can i get the right parts for this amp like power supply and output switch.

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Re: amplifier not working

I agree put in a repair shop or send it back to manufacturer

Posted on May 06, 2007

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Re: amplifier not working

Do yourself a favor and take it to a repair shop. It will be alot easier on yourself and you will get your amp back in working condition alot faster.

Posted on May 05, 2007

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It is being driven so hard there is danger of burning out the output stages so it goes into protective shutdown.

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My ph5000d plays until i turn it up then it cuts in and plays then to protect mode back on why dose it do that its just when i turn radio up

Ok because your wattage is too high for the amp when adjusting a amp with speakers always start like this turn amp gain all the way down head unit bass all the way down and treb all the way up then turn on ur highest listening volume that u like then ajust amp to that hight if will stop protect from happening if continues ur sub is too many watts for amp ok

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When i turn up the volume my amp shuts down i turn it down and it comes back on. I have a crossfire vr1000d what am i doing wrong?

Is the protect light in your amplifier turns on when it shuts down? If yes, then your amplifier lacks voltage. The reason why it goes on protect mode is, the amplifier is needing an amount of voltage from your car, since your car cannot provide that amount of voltage your amplifier is not getting anything, instead of getting voltage to produce watts its getting minimum voltage & producing heat, to save itself it goes on protect mode so the incoming power shuts off & cools the amplifier.
Your on vol 40, amplifier is working fine, when you turn it up to vol 50 your amplifier shuts of, then you put it back to vol 40 & your amplifier turns back on.
At vol 40 your voltage is 12v or above. but in vol 50 your voltage drops to 11 & below.

Check your battery or alternator if they are giving enough voltage

Hope this helps your inquiry. Have a blessed weekend.

Apr 24, 2011 | Crossfire Car Amplifiers

1 Answer

Amp shuts off when higher volume

might not have enough voltage going to the amp. depends on the size of the power wire too. had the same problem with mine, had to upgrade my wires, i couldnt turn it up past 14 with out it shutting off and then back on.....

May 12, 2010 | Kicker KX600.1 Car Audio Amplifier

1 Answer

After about ten minuites of playing the amp shuts down and goes to protect mode.. I can then wait 2 minuites and turn it back on and it goes for a while again before repeating the sequence. Is it my...

Amps shut down due to, A: Short circuit, B: Overload. C: Over Heating. It is possible that the Output devices inside the Amp. get too hot during use, Are your speaker "Leads" "Big" enough? Is you Power Positive wire the same, Also as you say, Check your Earth. Sometimes a Fan on the output devices helps.

Mar 10, 2010 | Car Amplifiers

1 Answer


The amp is being overworked and is overheating so it is shutting down to protect itself. You could try to add a fan and point it at the amp to help keep it cool. Also make sure the amp is not located where it will get heat from an exhaust pipe under the car for example. They may have external fans that you can attatch to the amp to help cool it. The constant overheating could eventually damage the amplifier.

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Kenwood amp kac-x401m

How long will the bass play before the amp kicks into protection mode and how loud are you listening to it? I've noticed with my amps that if they don't have enough air flow they will get hot and kick into protection mode. They will also kick into protection mode if you are running it at more than it can handle. Check your adjustments on both your amp and the head unit. Make sure you are not running more bass than the amp can handle.

Nov 04, 2008 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

In protection mode

Ground wire too thin.
supply wire too thin.
Speaker damaged.

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