Question about Rockford Fosgate Power 1501BD Car Audio Amplifier

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Power to the amp

I have power to my Rockford Fosgate Power 1501BD amp and the led light is on but i dont have power to my subs what can i do to fix this ive tried bridgeing and not brigding the wires but it still doesnt work.

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Re: power to the amp

Check the signal from your RCA'S   Your head unit may not be putting any output out of the rca jacks on the rear.  Or you could have a bad set out.   As long as your voltages are right on your positive terminal and remote and you have signal the only other reason your amp will not have any output is if the internals are bad.

Posted on Oct 13, 2007

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I have a rockford p4004 and the protection light is staying on and am not getting anything out of the amp to my subs. what can i do. i hooked up a different amp to it and it worked fine.

The unit is internally grounded. Something has broken inside and grounding out the power, the amp will need to be serviced or trashed. Try calling Fosgate. They may have a serviceman or "fix it" department

Nov 05, 2011 | Rockford Fosgate Punch P4004 Car Audio...

1 Answer

Rockford Fosgate T15004 The Amp still powers up with the

Check you inputs to verify you have a signal coming in, if signal then check outputs try a speaker that you know is working and plug it in if that speaker plays then the subs/ or speaker wiring is bad, if it doens't play then you probably have a blown output transistor on the amp or possibly a terminal ground/positive has come loose on the inside..

Oct 27, 2009 | Rockford Fosgate T15004 Car Audio...

2 Answers


Try any decent amp that runs 800-1000 watts RMS/continuous at 4ohms. Hifonics, Kicker, PPI, MTX etc. You should expect to pay $500+ for a decent amp. You get what you pay for.

Aug 28, 2009 | Rockford Fosgate Power 1501BD Car Audio...

1 Answer

I have a rockford fosgate 501bd amp the protect light comes on when my deck turns on even with no speakers connected

un hook the subs and let the amp sit there on if the protect light shuts off you wired your subs wrong if it doesnt go off tun it off then back on with no sub music all the way down then slowly turn the music up if the light is off then comes on you need new rcas

May 03, 2009 | Rockford Fosgate Power 501BD Car Audio...

2 Answers

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 :)

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

1 Answer

Help with CVR 12 (kickers) and a Power 1050 s amp (Rockford Fosgate)

Send me your email account and i will draw you a diagram and send it to you there. I will need to know if the ohms of each sub as well as the amp. I'll also need to know if the subs come with one or two voice coils.

Nov 04, 2008 | Rockford Fosgate Power 1050S Car Audio...

1 Answer

Sub hook ups

There's a lot more factors involved than that.
  • Power capability of the subs
  • Type/size of the sub box
  • Allotted space in the vehicle for the sub box
  • Voice coil impedance of the subs versus the capability of the amp
  • Etc.

Jun 19, 2008 | Rockford Fosgate Punch 500a2 Car Audio...

2 Answers

1000 crossfire bmf and a rockford fosgate that need to be fixed

send the rockford to landis technical-they bought up all the parts to rockfords amps and will get them back to factory specs and recertify it for ya along with a new power certificate-look on rockfords website and snoop around and it will break it on down for ya and give you the address n stuff. i had to send my 1501bd mono amp in to get an overhaul and it came back throwin 1810watts rms so that was better than when i started -good luck.

Jan 01, 2008 | Rockford Fosgate 360a2 Car Audio Amplifier

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