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Premium Member
2006 Hyundai Sonata V6
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684 Posts
You haven't specified the length of power cable run, which can have a big effect. Assuming it's front battery to trunk, 8ga may be sufficient, but when in doubt, go bigger. I'd do 4ga. Since it's a hassle to remove lots of trim pieces to run power cable, it's worth considering that if you think you'll be adding additional (or swapping to more powerful) amps in the future, running more/larger cables to accommodate that makes some sense.
 
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Premium Member
2006 Hyundai Sonata V6
Joined
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684 Posts
Yeah, next car I'll probably run a 0 and be done with it. First install was done in a shop, ran two 8ga wires. I eventually added a 4ga. These three wires combined is roughly equivalent to a single 2ga. This has been sufficient for my SQ, but plays loudly, setup. If I were doing it again, a 0ga would be a set it and forget it situation.

I think if you are anything short of certain whether a wire is big enough, you have to go the next size up.
 
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