Question about Rockford Fosgate Punch 600a4 Car Audio Amplifier

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Fosgate 600a4 amp, no sound LED stays on

I have a Rockford Fosgate Punch 600a4 amp that is about 10 years old. It has lasted forever, but I noticed for the past few years, it would overheat and shut off, but turn back on when it cooled. Recently, I noticed that the amp was not as loud as it was before. Then the sound shut off completely, but the remote LED light stays on. I believe this amp has been serviced before, but I don't know what is wrong with it. If it's part of the circuitry, I can repair it if I knew what it was and where to buy it.

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  • Perry Babin May 11, 2010

    It's uncommon for Rockford amps to fail and have the power LED lit. Are you sure the amp is defective? Have you checked the speakers?

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Posted on Jan 02, 2017

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SOURCE: Rockford Fosgate Amp Repair Guild

I would love to get a copy of that repair guide you made. Could you please

Posted on Sep 02, 2007

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SOURCE: rockford fosgate punch 700s gets very hot

Disconnect the speaker wires from speaker terminals on the amp and turn the amp on (turn the head unit on). Set the volume to zero on the head unit.

Does the amp get hot?

If it does, either the bias is set to high or the amp has other problems. If it does not, you may have the speakers wired to the wrong ohm load.

Posted on Nov 05, 2008

  • 182 Answers

SOURCE: Rockford Fosgate Punch 800 A2 shorting out.

replace the inputs on ur amp

Posted on Jun 29, 2009

Professor_V
  • 92 Answers

SOURCE: Rockford Fosgate Punch End CapsEnd Caps

I TAKE IT THAT YOU ARE REQUESTING A SOURCE FOR A PAIR OF ENDCAPS FOR YOUR PUNCH-200IX. IF THIS IS THE CASE, I SUGGEST THAT YOU CHECK EBAY ON A WEEKLY BASIS AS I AM SURE AFTER SOME TIME, YOU WILL SEE A PAIR LISTED. THERE IS ALSO A SELLER ON EBAY THAT HAS MANY OF THE LOGOS FOR THE MANY DIFFERENT MODELS THAT CAN BE PLACED ON ANY OTHER MODEL ENDCAPS FROM THE SAME SERIES (DSM, IX, X2, ETC. LET ME KNOW IF I MISUNDERSTOOD YOUR REQUEST......V

Posted on Jan 06, 2010

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Disconnect the speaker wires from speaker terminals on the amp and turn the amp on (turn the head unit on). Set the volume to zero on the head unit.

Does the amp get hot?

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