20 Most Recent Rockford Fosgate Punch 401S Car Audio Amplifier Questions & Answers

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One side is working

Since I do not know your technal capabilities I can not suggest that you fix it yourself. I would definitely look into finding a reputable service shop that deals with car audio. Not every electronic technician has the know how to attack or attempt such a task.
11/21/2014 5:21:22 PM • Rockford Fosgate... • Answered on Nov 21, 2014
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Amp or something cutting out.

Power caps store power from the battery and they feed constant power to the amp so you dont get no drainage! this could be one reason..

have you bridged both subs and wat gauge wire are you using.

these amps can only handle one bridged sub at 4ohms and this amp is recommended that u use 8gauge or higher. if your running to subs i normally reccomend using 4 gauge power wire as you get more rms power feed to the amp

you can get a power cap or anyother accersory cheap online at my suppliers.. caraudiosecurity << click to enter >> hope this helps and please rate me :)
11/21/2014 5:19:12 PM • Rockford Fosgate... • Answered on Nov 21, 2014
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What is the rms for the punch 401s 1200 watt amp

Rockford Fosgate 401s 400 watts RMS x 1 bridged
8/8/2010 7:23:23 PM • Rockford Fosgate... • Answered on Aug 08, 2010
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What is pass thur for

to connect another amp without running new rca's from the head unit
6/15/2010 8:13:24 PM • Rockford Fosgate... • Answered on Jun 15, 2010
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My sub woofer has recently stopped working.

If you only have the sub connected to the amp, the other speakers would still play, if they are just connected to the head unit. I would check for power and remote power to the amp, and check the ground, if those are ok, I'd say the amp is bad.
5/22/2010 12:59:22 AM • Rockford Fosgate... • Answered on May 22, 2010
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Rockford Fosgate Punch 801X Car Audio Amplifier schematic

You're not going to be able to get that - it's considered proprietary information and won't be made available to the public.
4/30/2010 9:11:00 AM • Rockford Fosgate... • Answered on Apr 30, 2010
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Rockford Fosgate Punch 401s starts then smokes

Can somebody email me the schematic for the Rockford Fosgate 401S?
4/29/2010 12:08:24 AM • Rockford Fosgate... • Answered on Apr 29, 2010
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Amp burned

You might be able to have it fixed. Some amp companies make their own parts, so you would have to sent it to them. If you can find someone to diagnose the problem first, you could save yourself some money. I have repaired amps with parts from Radio Shack myself.
4/28/2010 10:54:02 PM • Rockford Fosgate... • Answered on Apr 28, 2010
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What is the output of the 451s rms power

Dynamic Power Rating (measured at 14.4V):
  • Bridged Into A 4-Ohm Load: 450 watts x 1
  • Per Channel Into A 2-Ohm Load: 225 watts x 2
  • Per Channel Into A 4-Ohm Load: 115 watts x 2
4/14/2010 5:39:22 AM • Rockford Fosgate... • Answered on Apr 14, 2010
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How to install a rocksford fosgate power 800a4

you will have to get a amp kit. run a power line from the battery to the am and a remote line from the radio to the amp then run a ground from your car from (scratch the paint off) and connect that to the amp,connect your speakers to the amp.
3/23/2010 10:55:15 AM • Rockford Fosgate... • Answered on Mar 23, 2010
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No power,no red light,but has power going to

Sorry to say but it's usually a blown resistor and will have to be taken in to get fixed. Just be positive that your ground has a good connection, your remote is powered, and no fuses are blown, people have missed this stuff (mostly the ground) a lot. My amps have been between 50 and 150 to get fixed, sometimes it's worth it, other times not, kinda up to you. Good luck.
3/18/2010 8:25:51 PM • Rockford Fosgate... • Answered on Mar 18, 2010
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I need a gain switch for my rockford fosgate

Crutchfield.com
3/11/2010 6:36:01 PM • Rockford Fosgate... • Answered on Mar 11, 2010
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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.
2/22/2010 2:27:54 AM • Rockford Fosgate... • Answered on Feb 22, 2010
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I see someone asking about this amp running a

Do you know how many ohm's the two 10" subwoofers are ? That is important as there are many ways to wire multiple subs. If you dont know then post what make and model the subs are.

Post back and I will try to be of further assistance.

Thank you for choosing Fixya!
2/17/2010 1:14:02 AM • Rockford Fosgate... • Answered on Feb 17, 2010
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How do i wire my 12"

Usually all speakers are wired through a "Crossover" network, a Filter system. Speakers usually are wired in Parallel. Using & observing the + & - Polarity.
2/14/2010 10:31:44 PM • Rockford Fosgate... • Answered on Feb 14, 2010
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