Rockford Fosgate Punch 500a2 Car Audio Amplifier Logo

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Posted on Jun 19, 2008
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Sub hook ups

Im assuming that if my car fits a rockford fosgate amp then the rockford fosgate subs would be able to be hooked up as well?

  • bwill Jun 21, 2008

    what if i buy the amp and subs in a package together. basically what im asking is that do the subs just depend on the amp for it to work?

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1 Answer

Tygh Duval

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  • Posted on Jun 20, 2008
Tygh Duval
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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.

  • Tygh Duval
    Tygh Duval Jun 23, 2008

    Yes, the subs could work on another amp, and the amp could power other
    subs. Of course, the subs will not work without some kind of amp. People just like to buy everything at once, so Fosgate is happy
    to sell the items like that. Plus, the subs' power capability and the
    amp's power output are usually matched up (i.e. the amp will not
    over/under power the subs). Let me know if I still haven't answered your question!



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Does anybody know what watt this is. it's sosed to be a 2400 watt and why does it have 2 ports on each side to hook up speaker wire And what's the best way to run it with a 800 watt Rockford fosgate

dual voice coil subs hook up mono on amp, from amp - from right side + from left side of amp run to sub n then jumper wires from one side of sub to the other side goes negative jumps on positive and positive jumps on negative
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Rockford Fosgate Punch 150a2 Car Amp wiring manual

Sub amps are pretty straight forward.....Hook up you rca cable....then all thats left is you positive (B+) that goes to your battery....the negative that you should hook to a good paint free bolt in your trunk and the remote wire which connects to your stereo.....
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Im looking at this rockford fosgate p700-1bd amp brand new for $300 it comes with a birth sheet it says 750 rms on a 1ohm load. i cant find any reviews about it 225 rms x 1 @ 4-Ohms 450 rms x 1 @ 2-Ohms...

You can't go wrong with Rockford, in my opinion. Everything they make is well built and high quality. I personally have two Rockford p500-1bd amps hooked up to four 12 inch subs in my car and those amps make those subs slam. I have them wired down to 1 ohm and the specs say that they should be pushing 500 rms a piece at 1 ohm so that p700-1bd amp really packs a punch. Depending on what you're hooking up to that amp I would defenitely recommend it to you. - Ryan in Alaska
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I just needed some help with wiring my p8002 rockford amp to 2 fosgate 10 inch subs i just bought. there 4 ohms a piece and dual voice coil. i dont know much about car stereos but people keep telling me...

Well i tried looking up that amp, but Fosgate sight is down. So assuming that the best power out of your amp is 2ohms off the bridged hookup, and the subs are 4 ohms per coil, the best way is to only use one side of each speaker and hook it straight the the bridge. Only using one hook up wont hurt anything, its just for giving you wiring options. And when adding up ohms of speakers, it goes like this. If you had two 4 ohm subs, that'll give you a 2 ohm load. If you hooked up all your hookups, it would be like having four 4 ohm subs, and would give you a 1 ohm load.

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How do I hook up one sub to my rockford fosgate p3001 amp

Hey i have looked over many rockford manuals,(i own a 300.1 my buddy owns a 325.1) and for there mono(.1) amps there hooked together on the inside so channel A+ and B + are cencted on the inside the amp. So you ither hook one 2ohm sub to channel A or you can hook 1 4ohm subs to channel A and 1 4ohm sub to channel B. There 2ohm stable so any lower will eventualy burn the amp out.
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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
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I have a rockford fosgate p250.2 amp hooked up to two 12' subs but the amp is not powering on... instead the protect light is on and im not sure if its because its so cold outside... please help and thank...

Remove the load from the amplifier (subs) and the RCAs
Retry.
If the light stays on, there are internal problems with the amplifier, and it needs to be serviced.
If the amplifier works normally, attach the RCA's and power on again.
If it remains on, connect one sub, and then the other.
Your amplifier is a 2 channel amplifier rated at
60 Watt - 4 Ohm - 2 channel(s)
125 Watt - 2 Ohm - 2 channel(s)
250 Watt - 4 Ohm - 1 channel(s)
Your amplifier is not rated for a 2 ohm mono load.
If you have Single voicecoil subs wired in parallel, you have a 2 ohm mono load - your amplifier will eventually fail.
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My Amp

sounds like the sub that throws it into protect mode is cross wired pull sub out and make sure they are wired right make sure ground from sub goes to ground on box and do same for power wire
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