Question about SPL Dynamics CRM1200-2 Car Audio Amplifier

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Amp goes straight to protecting

I have an spl series 3 crm1200-2 amplifier and when i turn it on it imediately goes to protecting mode and does not work i have tried to only hook up the bare essentials (battery, ground, and remote) but still goes straight to protecting. I am at a loss what else other than internal issue could it be

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

Posted on Jul 08, 2010


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1 Answer

I have a spl fx2 1800 that i got from a guy for 40 bucks and it is frozen in the protect mode is there a way i can get it to come out of the protect mode with out sending it in to the shop

The most likely culprit when an amp goes into protection mode is the power wiring. Check your ground wire, it should be solidly connected to the vehicle chassis in a paint-free location. Then check the live power wire and make sure it has a good connection. If that doesn't work, download the user manual from That should help you to decode why the amp is in protect mode.

Mar 05, 2011 | SPL FX21800 Car Amp

1 Answer

It goes right to protect mode when i plug in the rcas

plug one at a time to check for a short on either the right or left channel. if both do it, then try another rca cable. if that does it too, then unplug your speaker outs and plug your rcas back in and check. get where i'm going with this. process of elimination. if nothing helps, then there's a short in your amp.

Jul 05, 2010 | SPL Dynamics Z2X-820 Car Audio Amplifier

1 Answer

Amp goes into protection straight away.there are no shorted power supply or output Fets

mines does the same i just think the amp is poorly made get it bench tested

May 20, 2010 | Orion HCCA-D5000 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

No sound

unplug spkr from amp and leave rca and turn if this dont happen again check you spk
if it does happen again unplug rca and turn on and if this happen your amp may be bad

May 17, 2009 | SPL Audio Phantom DK2-1000 Car Amp

1 Answer

Power light turns from green to red protect mode and then there is no sound coming from my speakers

there are 2 reasons for it to be going into protect mode 1 is heat 2 is the load on it. if it is going into protect mode soon after it starts there is a problem with the speaker. if it is after it has been on for a while it is that the amp itself is overheating. hope this answers your question

Apr 27, 2009 | SPL Audio Phantom DK2-1000 Car Amp

2 Answers


Have you checked to see if your subs voice coils have shorted. That could cause the amp to heat up, on rare occasions the protection lights don't work. Rare, but possible.

Oct 08, 2008 | SPL Phantom DK2-1000 Car Audio Amplifier

1 Answer

Amp not working

If the amp is in protect mode, it probably has shorted output transistors. To eliminate other possible problems, read through the following page:

Amp in Protection - Troubleshooting

Let me know if you have any other questions.

Aug 18, 2008 | SPL Dynamics Z2X-820 Car Audio Amplifier

1 Answer

My amp turns on and off

Sounds like there could be a short somewhere. Check to make sure that there aren't any (exposed/bare) wires touching each other or if there is a bare spot of wire touching something metal. Check both ends of all the wires. A speaker wire may have come lose and is shorting out against the frame or some other place. Usually if it goes straight into protection mode or you're popping fuses you have a short somewhere. I assume the capacitor you installed is somewhere on the power line, which would be for helping with
noise. You can also try disconnecting your amp from your stereo and see what happens but leave the speakers connected, you don't want to run the amp with out a load on it (the speakers). If your amp doesn't go into protection mode when the stereo is disconnected, then you have a problem with the stereo and not the amp, assuming you already checked for any possible shorts first.

Jun 15, 2008 | Pyramid PB1236GX Car Audio Amplifier

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