Question about Kole audio QX1-2400D Car Audio Amplifier

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I have qxt 1440 kole audio amp hooke up to my 2 12' speakers and it goes into protect mode.and i cant hear anything out of them.

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You either have a shorted transistor or a cold solder connection at the output stage of the amplifier. The light indicates it cannot apply B+ to the circuit in order to prevent further damage or cause a fire. It needs repair - take it apart and inspect it for cold solder connections. If you cannot find any, take it to a repair shop and have them isolate the problem. Also, check the speaker terminal to make sure the + and - are not shorted together.

Posted on Nov 04, 2010

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Posted on Jan 02, 2017

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1 Answer

How do i get my Kole audio qx4-720 amp out of protection mode


be sure the master volume is in minimum some amplifier has protect circuit when the volume exceed the maximum sound level to protect circuits from damage. try to disconnect speakers maybe one of them are shorted already

Feb 02, 2011 | Kole audio QX4720 Car Audio Amplifier

1 Answer

As soon as I hook the amp up it goes into protection mode. But in about 10 seconds it flashes off protection mode but them goes right back into protection mode. And it keeps doing this as long as the amp...


If you disconnect your speakers and input and the problems remain it means you've blown your end-stage and the amp needs repair.

if the problem disappears when disconnecting the speakers you may want to check if the impedance of your speakers is within tolerance of the amp.

Dec 23, 2010 | Rockford Fosgate Punch P5002 Car Audio...

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My Kole qx1-30000 ground wire gets hot and no sound out of RCA and amp goes into protect mode. Why does this happen?


make sure that the fuse under the hood is the right amp and that your ground is secure and solid

Mar 30, 2010 | Kole audio QX1-2400D Car Audio Amplifier

1 Answer

Kole amp in protect mode?


Are you setting the bridge switch for both left and right or are you trying to run both subs off of one set of terminals? If you running the subs off one set of terminals you are effectively running the amp below 2ohms and thus the amp is not 2ohm stable and you will destroy it.

Some amps actually all ready run a bridged output for left/right operation, this could also be the reason why the protection circuit is kicking on.

Either way it's a component mismatch and you either need a stronger amp or different subwoofer setup.

Mar 09, 2009 | Kole audio Nitric XP2-2000 Car Amp

1 Answer

Kole Audio Amp does to protect when I turn it on


Hi, Assuming you have been using the unit already for some time, it is possible that: 1. (Agree with you) The ground might have loosen up, re tighten the connection points and make sure that if it is chassis/body grounded, there is no paint/corrosion between the grounding lug and the point of connection. Better still,wire at least a #14 autowire from the amp's body to the negative of your battery; 2. check and verify that the speakers connected to the amp are good; 3. The speaker wirings might be touching the car's chassis or grounded somewhere. Check where the speaker wires pass and leads to visually making sure that no bare/scraped wire touched any metal part of the car; and/or 4. The amp itself might be at fault and would require the services of a qualified professional. Hope this gives you some ideas and work out for you. Good luck and pls post back how things are and/or if you need further information. Kind regards.

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2 Answers

Problems


chenge and replace the safe of the amp

May 22, 2007 | Kole audio Q2-1920 Car Audio Amplifier

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