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<blockquote data-quote="MakeItGoBANG" data-source="post: 7435819" data-attributes="member: 635053">So I have been using undersized wire in my vehicle for a few years. I got lazy when I got a new car and had an in-store credit from Best Buy so I allowed them to install my wires. Big Mistake.I&#039;m running an Audiobahn A8000T (RMS: 800w x 1 @ 2 ohms, 400w x 1 @ 4 ohms) running a 2 ohm load. So the Best Buy &quot;professional&quot; decided to run 8 gauge for the whole thing despite the fact I asked for 4 gauge. I haven&#039;t had any problems really (noticeable) but I know this eventually needs to be addressed. The problem is I don&#039;t want to run 4 gauge from my battery to the trunk because I want to upgrade to an SAZ-1500d. The amp I currently use can&#039;t accept 0 gauge, and I don&#039;t want to buy 4 gauge and run it for only a temporary setup; so I&#039;m kinda stuck with the 8 gauge from battery to trunk for now.However, I have about 12-15 of my old Rockford Fosgate 4 gauge sitting around. It is not long enough to run from my battery to the trunk, however, there is plenty to replace all the other 8 gauge wiring.Quick overview:Amp: 800w x 1 @ 2 ohms8 gauge wires:A. battery ---&amp;gt; capacitorB. capacitor ---&amp;gt; ampC. capacitor ---&amp;gt; groundD. amp ----&amp;gt; groundWould there be any advantage to replacing B, C, and D with 4 gauge or is it irrelevant since the main power wire (A) is 8 gauge?I&#039;m going to be doing a lot of work on my electrical this fall as I slowly prepare for an upgrade. However, having this 4 gauge sitting around I&#039;d be happy to put it to use if there is anything to be gained.As always, mad respect Car Audio Wizards.</blockquote>

[QUOTE="MakeItGoBANG, post: 7435819, member: 635053"] So I have been using undersized wire in my vehicle for a few years. I got lazy when I got a new car and had an in-store credit from Best Buy so I allowed them to install my wires. Big Mistake. I'm running an Audiobahn A8000T (RMS: 800w x 1 @ 2 ohms, 400w x 1 @ 4 ohms) running a 2 ohm load. So the Best Buy "professional" decided to run 8 gauge for the whole thing despite the fact I asked for 4 gauge. I haven't had any problems really (noticeable) but I know this eventually needs to be addressed. The problem is I don't want to run 4 gauge from my battery to the trunk because I want to upgrade to an SAZ-1500d. The amp I currently use can't accept 0 gauge, and I don't want to buy 4 gauge and run it for only a temporary setup; so I'm kinda stuck with the 8 gauge from battery to trunk for now. However, I have about 12-15 of my old Rockford Fosgate 4 gauge sitting around. It is not long enough to run from my battery to the trunk, however, there is plenty to replace all the other 8 gauge wiring. Quick overview: Amp: 800w x 1 @ 2 ohms 8 gauge wires: A. battery ---> capacitor B. capacitor ---> amp C. capacitor ---> ground D. amp ----> ground Would there be any advantage to replacing B, C, and D with 4 gauge or is it irrelevant since the main power wire (A) is 8 gauge? I'm going to be doing a lot of work on my electrical this fall as I slowly prepare for an upgrade. However, having this 4 gauge sitting around I'd be happy to put it to use if there is anything to be gained. As always, mad respect Car Audio Wizards. [/QUOTE]

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