Question about Power Acoustik LT-980/2 Car Audio Amplifier

20 Answers

Amp isn't putting out any sound

My amp just up and quit and now it won't put out any sound. It will power on but that is as far as it gets and the LED light never turns on now. any help would be appreciated

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  • hitemup Nov 05, 2007

    i have a 1600 watt power acustic saphire and the lights all turn on just no sound comes out when i start my truck but with the key turned half way so everything gets power it works then i hook up an american legacy series 2 and start my truck and things all work just this amp is only a 600 watt

  • 81Viewsat Nov 07, 2007

    Hi everyone. I own a Performance Teknique ICBM 779. I have had this problem where my amp led power light would come on but no sound was delivered to my subs. I ohmed out all the resistors and transistors and found out that one of the transistors # K TIP35C O 310 did not have a ohmic value of 71.1-71.7 ohms between the outside leads like all the rest of them did. Thinking that it was burned out, I brought the Amp right up to the light. When the back lid is removed and your looking closely up to the light, I saw that there was one vey small long line going form that transistor down the circuit board. I realized that my amp was DROPPED ! My amp recieved enough force where it actually cracked the main circuit board. I had a headace to tracing all the circuits on the board and making sure that there was no breaks in any circuit. After soldering all the circuits back together, I put the amp all back together and powered it up. To my surprise the amp works. To everyone out there... I was not aware that my amp was ever dropped, but learned that, at one point it did recieve significant force, enought to crack the main circuit board causing my amp not to put out any power to my subs. Always inspect the circuit board after inspecting at all the transistors and resistors. You might not be aware but could find out that your amp has been Dropped.

  • CWalkTHS Nov 21, 2007

    I have an 800 watt fusion amp, and it blows the fuse immediately, even with the power off.

  • SilverWlf473 Nov 22, 2007

    I have a profile 600MSX and when i started my car today then turned up the stereo, the amp died. all sound coming from my subwoofers stopped. I checked, and the green power LED was light, the red protection LED was not lit, and the LEDs ontop of the amp that used to be lit were not, and there was no sound produced. i checked all fuses, and they're fine. is there something internally such as a fuse or capacitor that could have blown?

  • hotracer_05 Nov 22, 2007

    i have and mtx amp and a power acoustiks cap. one day my system was working fine but when i looked at the cap the voltage was slowly gowing down until finally my system died. any idea of what it could be?

  • mustangcody Nov 25, 2007

    my amp turns on light and all but it doesnt power my sub i got it tested and everything test fine the think it might be a problem with the RC

  • juggalobill Dec 05, 2007

    i have a 8000t audiobahn and lights come on looks like it works but now sound i have some knolage of amps and tested the outputs and other parts nothing seems to be wrong the only thing that i think might be wrong with it is the paulse with mod what do you thing there are no burn marks or anything the amp still looks new

  • bk300ex Dec 28, 2007

    i turn on my radio and my power light on the amp comes on but the light on the remote does not and no sound comes out of the subs. i noticed that only in the winter when the amp is cold that it does this and does not work.

  • Anonymous Dec 31, 2007

    your channal is blown out.

  • yoshi518 Jan 10, 2008

    I just bought a Hifonics XX-Chaos 1000 watts rms Amp offline. When its all hooked up and turned on the word Hifonics lights up and the fans turn on but None of the led lights turn on other than a red light on the side and it Does Not put put any sound. Can you tell me what the problem is so i can repair it?

  • haris470 Feb 02, 2008

    My amp was working fine until one day when I turned my car on the amp came on in protect mode. All the other LED lights turn on and the fan turns on, but the light on the remote bass boost knob in the front does not come on. Then the protect light turns off. All external fuses are intact, all wires are hooked up correctly, nothing caused any trauma to it. It is not putting any sound out. It is fairly old, 2 yrs +.

  • Rob Russenberger Feb 02, 2008

    my amp got wet, and now when i hook everything up it doesnt do anything, no sound and no led what can i do

  • Lacyschafer Feb 17, 2008

    Bought amp brand new hooked it up and got nothing. no fuses blown, wires hooked up right. no leds came on. just red light inside.

  • reecedylan Feb 21, 2008

    i hook up the amp and no sound comes out the wires are hooked up and the power light is on but no sound

  • Anonymous Feb 28, 2008

    I have a soundstream 10.0 amplifier its a 1000wx1. I need a resister for it and I need to know which port to put it too.It came with one resister and i lost it and i can't find the instructions.

  • Big Beck Mar 03, 2008

    Have 2 phoenix gold tantrum and neither one is putting out any sound. Both are powering up and the leds are coming on. Have a phoenix gold titanium 1200.1 and hooked it up to the same wiring and had no priblem. The tantrum amp has no fuse or no to the naked eye way to rest the amp. Please help and let me know if there's a way to rest the amp.

  • Seabeejack Mar 17, 2008

    my Amplifier is coming on and making a thumping sound. the light blinks and there is no other sound. I just bought this AMP yesterday. Can you please help with this.

  • stowie81 Mar 21, 2008

    the last time i used my amp..a few yrs ago ,it worked, the rca plug came off durn the time it wasnt being used, so i fix the rca plug and got it bak on, now i go to test it to see if it works, the main light inside the amp turns on, but the green LED light doesnt, could this mean that the amp is bad?

  • sunny bird Apr 09, 2008

    i huckd my amp up and it powerd up but no sound so i un hooked it for a while then tryd agn and still nthen it didnt even light up so i pulld the back off and i think the chip burntout n it can i get a new chip for it

  • jrsonbags Apr 11, 2008

    I have a kicker kx800.2, recently it just shut off, so i purchased new fuses and replaced them, it turns on and you can hear the fans, but subs have no sound. also neither the power or the protect light turns on any advise would be greatly appreciated

  • Anonymous May 27, 2008

    i have the same problem. it was just on and then it just stoped. now the power is on but the green light does not come on anymore. can u help me?

  • Anonymous May 30, 2008

    No sound, getting curr code.

  • shadow101 May 30, 2008

    No sound, When I turn it on it the display will just flash on and off instead of just staying on, its saying its getting too much current but Ive checked everything and everything is Fine????

  • chcfan89 May 30, 2008

    i have the same problem but mine turns on, but the led stays red, dosnt turn blue anymore just whenever i turn it on, it goes straight to red, and dont put out any sound, is there a way i might beable to fix it without taking it back, plz comment back..thank you

  • chevytruck1 Jul 01, 2008

    I just hooked up my amp and the green light comes on and there is no sound but a red led comes on inside what does that mean?

  • BLKWDOWSOUND Jul 19, 2008

    Same problem here..... PMA1200DA Power light just flashes, doesn't come on, no sound. Any solutions???

  • drake78 Jul 19, 2008


  • Joe Ankney Aug 31, 2008

    I have a Digital Audio model-DA2200W, Was listening to my tunes loud as
    always....then the subs quit bumpin...checked the subs cuz i thought i
    blew em...theyre fine...The power on the amp is still light
    and all..just no output..I opened it up to see if anything looked burnt
    looks it toast or can i fix it??

  • Anonymous Sep 04, 2008

    i have the same problem that when i connect the ground wire and the remote wire and the 12v wire and the rca wire no sound comes out of it but what i dont get is that a red light comes on and it says protect and for everything to work the light is supposed to turn green

    can you help me with my problem.

  • lsufan2012
    lsufan2012 Feb 20, 2012

    My amp light is green and stays green but sub wont produce sound. I found good ground because i used a current tester. The power comes straight from my fuse box. My RCA wires are connected to sw/rear with the black end on the red and the clear end on the white. Same for input line on the amp. The remote wire is connected at the end of blue wire to the end of my head unit. The only problem might be is that inside the box the little piece used to connect the sub's wire to the place that u hook the speaker wire from the outside, so i ran speaker wire throught the hole and spliced the two together. What i might have to do is dot the same for the negative wire leading to the sub itself. Any one think this is a bad idea.



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I have a Digital Audio model-DA2200W, Was listening to my tunes loud as always....then the subs quit bumpin...checked the subs cuz i thought i blew em...theyre fine...The power on the amp is still light and all..just no output..I opened it up to see if anything looked burnt looks it toast or can i fix it??

Posted on Aug 31, 2008

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Hey, ok you say that the amp turns on but the led light does not at all, how do you know that it is definitely on? If an amp turns on but there is no sound coming out it usually turns out to be a problem in the preamp stage, if it turns on but is in protect mode there is usually a short in the output stage of the amp. But usually there will be some sort of led status, the only time you dont have this status is if your power supply has a problem in which case you will probably keep blowing fuses in the amp. If you can give me better symptoms i might be able to try and figure out what your problem is. Cheers

Posted on May 27, 2006

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  • Power Acoustik Master
  • 645 Answers

Disconnect all speaker connections and rca cables. Leave power, ground and remote wires intact. Try turning on again. If you still have a protection light your amp is faulty. Hopefully you have warranty. Determine what its worth to you. You can get it fixed or replace with abetter amp. Might I suggest old school fosgate or lanxar. I myself own over 49 amps that were built between 1984-1995. Nothing newer and I kill it at every competetio .A thumbs up would be greatly appreciated if this answer is helpful to you.

Posted on Dec 18, 2014

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I have this amp and i can hear the fans but the power led nor the protect led comes on whats going on?

Posted on Jun 14, 2008

  • B00MAN Jun 15, 2008

    wow i posted this in the wrong section but when i turn my key into the on position i hear a humming from the amp but no leds turn on. I checked all cables and everything seems to be in working order. I even restripped my remote wire but nothing. Also i used all the connections from my old amp so i dont think that i have any poor power or ground connections.


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Ok i have checked every wire and i cant get my amp power lights to turn on ? Now the Blue LED on the top that says ICE will glow blue but the Red or the Green Light on the side which are the power LED will not come on at All I have a 2000 VW Jetta Any Ideas

Posted on Mar 27, 2008

I have had the same kind of problem, as many people said relocate your ground wire to a completely different spot. Fixed mine up straight away..

Posted on Feb 29, 2008

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I had a similar problem, the amp came on but no sound, it turned out that the sub-woofer was turned off on my cd player. I changed the option to on and it started working.

Posted on Feb 24, 2008

  • chris_tanas
    chris_tanas Dec 19, 2012

    i turned it off from the radio and when i turned mine back on from the radio it didnt work. it worked before i shut it off


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I have same problem with the protect mode but it does it in both my vehicles. i took another amp and the led lights up only it dosent play

Posted on Dec 29, 2007

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Your other prob could also be the led light that is a problem that i found on amps also not all the time but in some rare cases i have found that it is just like a fuse if it is bad the amp wont work but more and likely it is the preout stage or output somewere along that line

Posted on Dec 05, 2007

Find a better groundwire homie

Posted on Oct 05, 2007

Check to see if your rca and ground cable is connected good.

Posted on Jun 03, 2007

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Well if its in protect mode what do u do? im having this problem after jumping my car. at first it didnt work then it came on for about twenty mins and never came on again. what do i do?

Posted on Jun 02, 2007

I've had this problem several of times, bad luck maybe, if the speakers draw to much power such as drop lower ohm or such, it fries the audio output module, this costs about 60 canadian to fix.

Posted on Mar 28, 2007

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I've seen this before on my amp. If I unplug the rca's the led on the amp will go out. Just a little info for something I ran into.

Posted on Nov 29, 2006

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Hiya yall just happend across this site seems pretty cool anyways i have the same problem i know its on cause the fans are running, or i would asume that means its on does the same thing weather speakers are connected (connected to amp just not speakers )or not. Also tried it with the rca out same thing oh also all wires are good too, but just incase i pinches something or something like that i ran a wire from remote to the battery just to check and same prob any suggestions would be appriciated thanks in advance steven

Posted on Sep 21, 2006

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My xplod amp is on the green led is on but i heard a pop and it quit working

Posted on Feb 25, 2010

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Same green light is on, but no sound comes out my subs **** down but no sound, replaced rca cable, ground is good so is remote and power. damn

Posted on Nov 16, 2009

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Ya i bot a amp it was working and hen i had to fix my sub when i went to put my wires back on the amp it was nt working and now i get this loud click sound the green and red light are now on and i have no base at all and when i try turning up the vol it just clicks why is that and if some 1 could help me out you can get a hold of me at

Posted on Jun 03, 2008

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I would clean up the ground and tighten it done arer relocate the ground wire.

Posted on Apr 22, 2007

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I have just the same problem with a GM-X924 Pioneer amp, powered it with battery current and remote but no light on the led and no sound; next to this amp there is another one working perfectly. Would be nice knowing if Xterrarules got it's amp working and what wad the problem with it :)

Posted on Sep 24, 2006

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Posted on Jan 02, 2017

  • 300 Answers

SOURCE: Car amp problems

Be prepared, I'm going to ask a stupid question :).....

Have you tried removing both the +12V and Remote wires from the amp for a few minutes/hours and then reconnecting? It's possible the amp just needs a little "reset time" before working.

Posted on Apr 08, 2008

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SOURCE: No out put

It sounds like the switching power supply has failed.

You need to find a local repair shop. If you don't know of any, contact the local car audio dealers to see who they use. If several recommend the same shop, they probably do good work.

If you want to try to repair it yourself, you'd have to do a bit of troubleshooting.

Let me know if you have any other questions.

Posted on Oct 09, 2008

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SOURCE: Amp is not putting out, shuts down

you have a bad ground recheck your ground and make sure you have a good one
or the guage of your power wire isnt big enough

Posted on May 01, 2009

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Have power but no sound

U may have blown the High Out put.

Not sure but is the Protection Led light on the AMP. if it has one it should be green if everything is Fine. Red or Flashing Red is not good.

U can test it has a low in out put . But if only has RCA out then u may want check the Fuses inside the AMP... Be careful because if u open it up after it was just turn on u will get a ZAP if the amp is not fully discharged.Look for any burnt Resistors etc,

Let me know if this works!!
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Amp quit putting out sound

It is probably in the "protect" mode. When this happens, the amp will have power going to it and seem to be turned on, but no sound. Many amplifiers have a LED that is normally red and it lights up when in the protect mode. Check all the LED's on the amp and see if one of them is for the protect mode.

When an amplifier goes into protect there are usually only 2 reasons for it.

1. A bad speaker

2. A channel blown inside the amp.

Disconnect the speakers to the amplifier and see if it makes the amp come out of protect mode. If the amp has an LED to indicate when it is in the protect mode, this LED will shut off, and sometimes they have a relay inside the amp that you will hear click. If you hear the click sound form inside the amp after you disconnect the speakers, you probably have a bad speaker. Take yours to a service center and ask them to check them for you, many shops will do this for free, I know that my shop will do it for free, so I assume that many others will also.

If the amplifier has a blown channel, you need it serviced. There is no quick fix for a blown channel. If you have a multimeter I can tell you how to check some of the components inside to verify if it has a blown channel. Let me know if you are able to do this and I will give you instructions on how to properly test the components. If you do not have a multimeter, there is really no way to figure out what components are bad. Your only choice would be to take it to a service center for repair. They can give you an estimate of what it may cost before you are committed to paying for a repair. Most car amplifiers will cost about $100 to $150 to repair a blown channel. It just depends on how much damage there is, and the rates of the service center.

I hope this is helpful, and if so a good rating would be appreciated. If you need to communicate more with me to determain what the problem is, please wait to give a rating until we are finished. That way I will not get an undeserved bad rating. By the way, the only rating that is good (meaning that it doesn't lower my over-all rating) is a FixYa! rating. The "Helpful" and lower just bring my rating down. After all, the only reason for offering this free help, is to get a good rating.


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Amp not putting out sound

This is not a problem that a normal comsumer should try to repair themselves. It's time to take it to a pro. It sounds like you have blown out at least one of your output channels. If you are getting any red light at all then the good news is that the power supply section of the amp is probably still good. About half of all the electronics in your amp is for the power supply section. The other half is for the actual amplifiers of the amp. Good luck, I hope it's not too bad.

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