Question about Jensen A300HLX Car Audio Amplifier

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Power i was driving and my amp shut off. the power lite stays on until i stick the ground wire in its slot then the power shuts off

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  • ampitup May 11, 2010

    Ground wire in the amp?

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How did you connect your amplifier?

Posted on Apr 22, 2008

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1 Answer

KAC9103d been running great for a year, factory refurb. for a month been losing sub output. checked all connections again, everything good. Turned on went driving 15 minutes later lost bass ckd again red...


Could be that you have a partially roasted(blown) coil on one of your subs which will function- but will keep tripping your amp.You can check that out just by using a different set of subs to listen to and by the process of elimination if the problem goes away then you know where the problem is at.Also check your gains you might be riding the gain a little high which causes distortion which causes heat(FAST) which will cause the amp to shut down completely or some amps will decrease output in a programmed attempt to save itself.turn the bass boost down to half if you even use it at all- that too can cause massive distortion in the amp itself,meaning only that if you have the bass boost on your deck turned up and then you turn the boost up on your amp the sound signal is then WAYYY distorted which will cause a thermal shutdown too. Last thing is to make sure that your subs arent running below 2 ohms because i believe that particular amp is designed to put out about 900 watts at 2 ohms.good luck

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1 Answer

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

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Jl audio 1000/1 low voltage -keeps shutting off at high volume


You should definitely upgrade the power wire to the sub amp to 4 gauge -absolutely your choking your amp its starving for current-poor thing is starving !!!!!!!

Apr 16, 2009 | Jl Audio 1000/1 Car Audio Amplifier

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Power problem amp


Sounds like its going into protect mode-try disconnecting the speakers from the amp entirely and turn the system on if it stays lit up- then ya know its the speakers (one of them at least) thats making your amp shut itself down. If thats the case look into replacing the speaker thats causing the problem.Also make sure that you have sufficient wiring to your amp - at least 8 gauge if you can. check all terminals /power/ground make sure everythings connected tight and not grounding out anywhere

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Amp wont work


open the amp and look for a loose pwer or ground wire

Mar 27, 2009 | Jensen XA4150 Car Audio Amplifier

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Amplifier protect circut is on and wont shut off


ALL AMPS HAVE PROTECTION CURCUITS, U NEED 2 CHECK ALL YOUR WIRES THAT HAVE ANY POWER RUNNING THREW THEM, U PROBLY HAVE A PINCH IN A WIRE CHECK ALL UR CONNECTIONS.

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I have been having trouble with my car stereo system


First reinspect your power and ground connections, vibration may have loosened them.

Then be sure that amp location has proper ventilation, (overheating will cause shout down)
A 2400 in a closed space will definitely need exhaust fans to help circulate cool air around the amp.

The cap should be mounted close to the amp and properly charged before use. It is connected in-line with the main power lead paying close attention to the power in and power out terminals.

Power in = from the battery
Power out = to the amp

Good luck
Aduz

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2 Answers

Problem


Start removing wires from the amp, one by one (except for the +12V, Ground, and remote) until the amp seems to work fine. Usually, this type of issue is due to a speaker wire shorting to something it shouldn't be touching. Check the "non-amp" end of all the wiring to make sure they are solid and correct.

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