Question about Rockford Fosgate Punch P3002 Car Audio Amplifier

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Amplifier cuts off

I have a punch 125.2 amplifier and it cuts off when speakers are connected to it

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Your ohms on your subs are not wired right good luck

Posted on May 27, 2008

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My punch 250 a2 powers up but no sound is produced only static if i wiggle the speaker wire


um sounds like there is no sound input, if you are running rcas ensure they are plugged in and the radio and headunit, and check for a cut in the cable, this is very unusual not to have any power output at all, triple check your headunit outputs, and your amplifier inputs, make sure you arent crossed anywhere. hope this helps

Aug 08, 2010 | Rockford Fosgate Punch 250a2 Car Audio...

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Hi my name is David i have a 900 watt punch amp in


Hi, If you mean clipping on/off to be cutting out, then there are a few causes for this.
1) overloading the output circuits.
2) speaker wires shorting to earth/each other.

Try running 1 set of speakers at a time.

P.S. giving us a little more information will help profusely i.e amplifier capabilities, how you have the speakers connected. etc.

Jul 13, 2010 | Alpine MRD-M605 Car Audio Amplifier

2 Answers

My subs cut out everytime I hit a bump.


I would say the wiring, in particular the earthing for it, also check any "Compression" fixtures.and check ALL joints etc. To be sure give the actual Amp a gentle tap, and see if that brings on the fault.

Feb 21, 2010 | Rockford Fosgate Punch 401S Car Audio...

2 Answers

Amp fuses blowing and amp overheat


Does the amp heat up if you power it up with no speaker wires connected to the amplifier's speaker terminals?

Jul 17, 2009 | Rockford Fosgate Punch P5002 Car Audio...

1 Answer

Amp over heating


There are only 3 reasons this could happen. First, faulty components in the amplifier.

Second, and far more likely, is that the impedance of the speaker load is lower than the amp is designed for. If you are connecting (for each channel) the speaker + to other speaker + terminals and then to the amp, as well as connecting the speaker - terminals to each other and then to the amp, assuming all speakers have the same impedance, your load impedance is speaker impedance divided by number of speakers. Make sure your amp can handle that load and change it if it can't or you will fry it.

Third is if you connect speaker + to amp + and then speaker and amp - terminals to the car chassis. This is shorting part of your amp and will destroy it. Neither the - or + terminals should contact the chassis.

Apr 22, 2009 | Rockford Fosgate Punch 401S Car Audio...

2 Answers

Rockford 800a4 buts in and out


Disconnect all speakers.
Does amp stay powered up?
connect speakers one by one and see what happens, try to find which speaker connection is causing the problem.

Mar 21, 2009 | Rockford Fosgate Punch 800a4 Car Audio...

1 Answer

Amp arc


What you need to do is first ground your amplifier securely then make sure all connections are fastened. don't remove the speaker connection and listen for sound. If there is no sound power down the unit, and send it to a repair shop because it sound like you may have damaged some components in the unit. But in order to come to this point you have to make sure you ground the unit properly and then make sure all of your connections are secure. Contact me once this is done and you are ready to do some tests.

Aug 28, 2007 | Rockford Fosgate Punch P5002 Car Audio...

1 Answer

Hooked my punch Punch P450.4 up to speakers and ran rca cables to front and it wont work


Hi Jon,  you need to hook the Remote wire up to the Radios  Blue remote wire.  The car battery power stays on all the time.  The blue Remote wire watches to see when the radio turns on, and signal the amp to turn on as well.

Dec 12, 2006 | Rockford Fosgate Punch P450.4 60W x 4 Car...

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