Re: Amp->Subs question
12ga will be plenty. As for the routing of the wiring, as long as the dual coils of each sub are wired in series as shown in the diagram, you can either run the wire to the first sub's pos and neg and the to the second sub's pos/neg, run two sets of wire to the amp, or run wire from the amp to a barrier strip and then on to each respective sub. Any of the above will result in the parallel wiring of the subs. Electricity depends on relative resistance, not order of routing fro determining power distribution, so just cause it is wired a bit closer doesn't mean it will get more power.
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