Question about US Acoustics USX-2100 Car Audio Amplifier

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My amp plays but it smokes - US Acoustics USX-2100 Car Audio Amplifier

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Please, Please, stop using it, the fact it plays is a malfunction in itself, so get it fixed or get a new one b4 you light your car on fire...

Posted on Oct 08, 2009

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I hooked up my F300 and it played fine, a day later it started smoking so I turned it off and now the light on the amp stays on even when the car is off and no sound comes from the subs. did I burn up my...


  • Hi, I can help.

  • If you amp started smoking then something burned up. Weather it is easily repaired or not is the question.

  • I suggest opening the amp and see what burned on the board. Look for and chard blackness on any of the ports or anywhere on the board. I would double check your wiring connections to the amp as well. Make sure you don't have a short from that. Something definitely burned in the amp though.

  • If you get the cover open and see something feel free to post back here and I can try to further assist you. Much will depend on your electronic skills and ability to trace back the problem should this be needed.

  • Hope this helps and thanks for using FixYa

Regards, Tony

Sep 10, 2011 | Alpine MRP-F300 Car Audio Amplifier

3 Answers

My amp started to smoke, and cut off,had a real loud burning smell,has not worked since.


Sounds like it was playing? If it was your voltage dropped and the mosfet power supply got toasted. These amps are notorius for burning up at low voltage. Kicker did not put a low voltage shut off on it.,

Sep 08, 2011 | Kicker ZX15001 1Channel Car Amp

1 Answer

Hi i have a mtx jackhammer JH202 amp and a mtx jackhammer jJH5510D sub and every so often when a song is playing there will be bass and al of a sudden it will shut off and after a few minutes it will come...


The problem was caused by you trying to run a 2OHM load on an amplifier which is designed to run only on 4OHM when it is bridged, the amplifier is most definatley cooked. An authorized MTX technician should take a look at it, to determine just how wide spread the damage is.
dreamsystems.

Feb 11, 2011 | MTX JackHammer JH202 Car Audio Amplifier

1 Answer

I have JL300/4. My front speakers starting popping and sounding bad, so I replaced them. When I turned the reciever on to listen to them, the right speaker started smoking. Could my amp be bad? The rear...


Well its not a good sign when your equipt starts smoking . Chances are that at least one channel of your amp is bad .But your real quest is to find out why the amp smoked in the first place. Chances are you have a shorted wire or speaker or both. Best way to check is is to check the wire with an ohm meter, if it reads less than 4 ohms you have a short .Next disconnect the speaker and check the wires to ground and measure the speaker. You need to do this before you repair or replace your amp or you will have it happen again. Noow it is possible the amp did fail on its own but the chances are it had help.

Jul 30, 2010 | Jl Audio 300/4 Car Audio Amplifier

1 Answer

A2300HCT Car Audio Amplifier: i have a audiobahn a 2300 hct amp and it has stopp...


Well, sounds like you have an internal damage since it smokes, if it smokes as soon as it kicks on, and blowing the fuse right away, I would have it fixed. But my guess would be something with the ground that is making this happen, or some how your power is grounding on the amp. When ever smoke comes into play, thats never good any way at this point you gotta admitt that thiers internal damage.. blowing fuses can also be cause by over working your amp. along with the sub load at 1 ohm make sure your amp can do the same.. hope this was helpful in some way

May 16, 2010 | AudioBahn A2300HCT Car Audio Amplifier

1 Answer

Jl 12w3v3 started smoking after hookup


Dang man you roasted it, take it in and get it replaced.Check the gain on the amp try it at 1/3 to 1/2 gain and dont crank up the bass boost all the way try it at like 2/3 that should clean up your sound and cut down distortion-distortion kills subs by heat.

Jan 31, 2010 | Jl Audio 12W3v3-4 Car Subwoofer

2 Answers

My power pyramid sub is smoking i think its the jl 1000/1


If the sub is new, they need to be broken in.

All sub woofers need a break in period of about 5 to 6 hours at medium volume.
The reason is because the glue needs to be cured. This is done by the heat from working.

If you are giving it too much volume too soon, you are burning the glue.

Back off the subs and only play them at medium volume for about a week.

Nov 22, 2009 | Jl Audio 1000/1 Car Audio Amplifier

1 Answer

No sound. checked the fuse.


Sounds like the output section of the amp is toast. Especially if there was smoke involved.

Mar 03, 2009 | Pioneer AVH-P6600DVD Car DVD Player

1 Answer

Smoke coming from visonik v4218


Generally, smoke means the power supply FETs have failed. There may be other problems that could have caused it to fail. It will need to be repaired.

Let me know if you have any other questions.

Aug 08, 2008 | Visonik V4218 Car Audio Amplifier

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