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450 rms. Is 4awg really necessary?

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    #1

    450 rms. Is 4awg really necessary?

    Ok like the title says, Im running 450rms to a single subwoofer.
    My setup:
    Amp-Lanzar MAXP1200 monoblock. 450 rms 4 ohms, 900max 2 ohms, 1800 max 1ohm
    Subwoofer- RE audio SRX 300rms, pushing it to 450rms at 2ohms.

    I read on one of those wiring guides, that anything above 400rms over a distance of like 10 feet(i cant remember) needs a minimum of 4gauge to operate properly. When I bought my kit, I bought one of those cheapy ones that comes with "4 gauge" but is really like 6AWG. My question is, will there be any benefit from switching from "4 gauge" to 4awg?

    For my speaker wires, im running 12awg, which seems a little bit thin to me. Would there any benefit of double stranding this as well?
    Tags: None
    #2
    there is no negative aspect of upgrading wires. will the difference be noticeable ? in your case very slightly. but its still an improvement even if you cant hear it. double stranding will help if you are strapped for wire or $$.
    as for the sub run your amp at 2ohm since the sub is running 2ohm
    frostwhite225@gmail.com =VENMO


    http://www.youtube.com/watch?v=NOB38zJu66o

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      #3
      Nothing wrong with oversizing, but its not necessary.. id use 4awg for anything over 50 amps/500w rms

      8awg should be sufficient for anything pressing 500w or less.. my JL 500.1 / DD1010 setup is on rockford fosgate 8awg and runs absolutely fine.

      but i ran 4awg on my last car for my Alpine PDX1000.1 / Blaupunkt vw1000

      added: 12awg is plenty fine for speaker wire, thats a decent size.

      Originally posted by lilg4mdalbc View Post
      Ok like the title says, Im running 450rms to a single subwoofer.
      My setup:
      Amp-Lanzar MAXP1200 monoblock. 450 rms 4 ohms, 900max 2 ohms, 1800 max 1ohm
      Subwoofer- RE audio SRX 300rms, pushing it to 450rms at 2ohms.

      I read on one of those wiring guides, that anything above 400rms over a distance of like 10 feet(i cant remember) needs a minimum of 4gauge to operate properly. When I bought my kit, I bought one of those cheapy ones that comes with "4 gauge" but is really like 6AWG. My question is, will there be any benefit from switching from "4 gauge" to 4awg?

      For my speaker wires, im running 12awg, which seems a little bit thin to me. Would there any benefit of double stranding this as well?
      Last edited by Hopeless; 03-06-2012, 05:28 PM.

      Comment

        #4
        Ok, thanks for your responses.

        Comment

          #5
          Ok another question. Is there any benefit of using 10awg vs 12awg for my subwoofer wires?

          Comment

            #6
            Not that quality 8awg wire should be used, not that BS from Wal-Mart...
            _C'est La Vie, C'est La Mort_

            Comment

              #7
              Originally posted by mr_naler View Post
              Note that quality 8awg wire should be used, not that BS from Wal-Mart...
              good point as well, i use rockford fosgate wiring or wire from knuconceptz.com on my setups.

              http://www.knukonceptz.com/productDe...prodID=KFX-AK8

              Comment

                #8
                Yes. Rockford makes legit wiring, that's what I am using for my battery relocation(4awg of course). I don't know anything about the other though, so I will refrain from commenting.
                _C'est La Vie, C'est La Mort_

                Comment

                  #9
                  knukonceptz is very good wire. Their 4 awg has a higher strand count than rockford 4 awg by about 400 strands and it's only 1.55 a foot. To the OP, a good quality 8 awg will work just fine.

                  Comment

                    #10
                    It should be noted that that they use different types of copper wire...
                    _C'est La Vie, C'est La Mort_

                    Comment

                      #11
                      Well how would i be able to tell the difference? I have the 4 gauge in there that actually replaced an 8 gauge fosgate kit, and the wiring on the 4 gauge, although not true 4 gauge, seemed thicker, like 6 gauge than the fosgate one. I mean its only 400 rms. should i just go ahead and buy a quality 4 gauge?

                      Comment

                        #12
                        No, the 8 gauge Rockford kit, in all likely hood, transfers near as much power as the knock off brand "4" gauge kit. Quantity, as well as quality, of wire matters. The cheaper kit probably uses cheaper copper, and less of it vs comparable Rockford kits. The Rockford kit is enough for a 400w amplifier.
                        _C'est La Vie, C'est La Mort_

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                          #13
                          Thanx guys. You guys cleared my doubts

                          Comment

                            #14
                            Well idk if it matters, probably not, but this is the kit that I bought to replace the fosgate kit. I actually got it for cheaper:

                            http://www.amazon.com/Performance-Te...1592589&sr=8-4

                            Comment

                              #15
                              You probably won't hear a noticeable difference but were you will see a big difference is in how cool the amp stays. It shouldn't heat up as much with a larger gauge wire as long as you are running at the correct ohm load for the amp.

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