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I have spl crm520-2 amp and the light does not go on

I have spl crm520-2 amp and the light does not come on but when i disconnect the ground the light goes red

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Power supply is bad spl is not a good compane i would replace the amp

Posted on Jul 08, 2010

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1 Answer

I Have an spl audio amp 520 watt and when it turns on it automatically goes to red which is protect. what could be causing this problem


It could be 3 things. There could be a short somewhere, your ground isn't strong enough, or you accidently switched up the ground line and the power line on the amp. Since the fuses aren't blown I would say that your ground isn't strong enough.

May 01, 2011 | SPL Car Audio & Video

1 Answer

Amp goes straight to protecting


bad power supply or out put i hat to say it but spl is note a good company i would replace the amp

Jul 07, 2010 | SPL Dynamics CRM1200-2 Car Audio Amplifier

1 Answer

When i turn the amp on the light turn red and it goes off no green light g the amp was getting hot shotting down


when you hooked the amp up did you make sure your speakers were all in-phase positive to postive / etc.. a common issue with hi-power equiptment is grounding whatever input power supply gauge wire was used the ground has to be equalized, also if youre drawing too much on the amp (too much speaker/not enough amp ) this problem will continue till the amp cooks, check all phase, and if youre mono-bridging make sure this amp can be mono-bridgeable that would also send an amp into protection mode because its recognized as a short to positive-good luck

Jan 17, 2010 | SPL Audio Phantom DK2-1000 Car Amp

1 Answer

Power protec is signal red on


Missmatched impedence, ie you are running your amp which is 4ohm load to a sub which is 2ohm load, insufficient grounding could be the cause, blown transistor within the amp possibly.

Jul 30, 2009 | SPL Dynamics XL2-820 SPL Car Audio...

1 Answer

The fuse blew on my spl 1920watt amp and now the protect light wont go off and it wont do anything


Did you put a new fuse in it? If you didn't then put a new fuse that is rated at what the amp calls for. If you have and the light stays on, then odds are there is a broken wire inside and the amp needs repairing or replacing.

Jul 12, 2009 | SPL Audio Car Audio & Video

1 Answer

No power to my amp


I'll assume that you've checked the amplifier's on-board fuses.

With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

Jun 02, 2008 | SPL DK-2600D Car Audio Amplifier

1 Answer

Spl fx-1800


hmm i would start by checking the wiring in your truck. make sure nothing is grounding out (short). if still happening try hooking the amp up to a battery out side of the vehicle and see if the light is still on. if so u need a new amp

Apr 19, 2008 | SPL DK-2600D Car Audio Amplifier

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