It can be said either way.its you get what you pay for!!!!
OP get it if you're not running lets say over 2k rms
if the smaller one is copper and others are that CCA stuff I would go with the copper. If you use pure copper it is thinner and thus easier to work with. Plus lower resistance. Judge wire just by thickness and not comparing materials is retarded, o wait ca.com carry onTop is audiopipe wire = to or better than soundquest middle is knu klmx
and bottom is knu kolossus flex
get knu trust me
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my digi sucks but................... you get the idea