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I have Rockford Punch P3 12" subs that stopped working altogether. The Amp was tested on different subs and still works, with the same cables. Could it be something simple that needs to be soldered to fix them, or am I screwed?

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Posted on Jan 02, 2017

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duby1990
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SOURCE: Rockford Punch HE2 wiring question.

if your sub will handle it, bridging it will give you more power. The best thing to do is to find out how much power the amp puts out ( RMS ) and if it is in your power handling range bridge it. It sounds better and gives you a harder punch because of more power.

Posted on Feb 06, 2009

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1 Answer

Rockford Fosgate P3002 stopped working


push down and up on your subs and see if they make a starching noise, if they do then they are blown. take a test light to the amp, on the power and the remote and see if it lights up. if it does then turn the amp down and with a small speaker plug it in to the speaker outs on the amp and see if it plays if not then your amp is bad.

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I have a boss cx-3500 amplif & and a rockford p2 15 inch sub & not much punch what can i do to have more punch


mess around with the frequency on the amp till you get a good heavy loud sound and turn up the bass more and make sure the speaker cables are in the correct ports if one is in the other the wrong way around it wont give out as good quality or bass

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Why does my 6x9 amp drop or not let the sound play at all when my subs are on? it just started to happen? they worked together fine before. i turn the subs off and the 6x9 work? but when i turn the subs on...


You probably have too much hooked up for the size of your power supply which is presumably a small car battery. You either need to get:

A) New, better bigger battery.
B) Capacitor in series with battery.
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the voice coils could be damaged, check for burns on the connections

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Not enough Amp?


You should still get sound even with small amps but it would be rather weak. Check first the source of the signal. Test with different sources to be sure. Check for loose connections.

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I HAVE A PUNCH 600a4 IT WORKS AND BANG BUT IT GETS HOT IN 5 MIN


make sure it is grounding right and dont use it on its peak power

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I have a rockford fosgate punch 150 and it will power a small 5 1/4" speaker, but doesn't seem to push my 15" subwoofer. I am reading 4ohms across the sub so I'm assuming that it is fine and that there is...


amp is way too small to power a 15 inch sub. But you should get some sound out of it, not silence. You can use a 9 volt battery to test your sub, if the sub pops when the 9 volt is placed across it's terminals then it's ok. If it does not pop then your sub may be bad, or the coil may be frozen. (It can still read 4 ohms if frozen). If your amp powers smaller speakers fine, you know it's not the amp. If the sub tests ok, then verify your connecting it properly to the amp's correct bridging terminals.

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1 Answer

Punch p1 10" not working


I had the same issue with 2 Punch p1's. The wire stripping was most likely cut where the wires are saddled against 2 bare metal "C" shaped tabs before going toward the cone and coil. This was causing the wire to ground out. I cut both wires and **** connected them and bypassed the factory bracket. They work fine now. This is a poor desogn from Rockford and I can see where it might happen numerous times.

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1 Answer

Cant figure out my car audio problems!!!!!


There are a couple of tests you can perform. I'd first recommend checking the shield ground. You'll need an ohm meter. The details can be found on the following page.

RCA shield ground test

You can also test the output with the multimeter. Set the multimeter to AC volts. If it's not an auto-ranging meter, set it to a voltage range of ~2v AC. Disconnect the RCA cables from the head unit. Touch one meter probe to the outer ring of the head unit's RCA jack. Touch the other probe to the metal contact in the center of the RCA jack. With the head unit near full volume and a clean signal source, you should read at least one volt on musical peaks. If you have a bass disc or a test tone disc (~60hz sine wave), use those.

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