Another battery, wiring gauge?

cstek
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I believe I have my system planned out, I am doing Infinity speakers which include 110 @ 4 ohm 6*9 kappa's, 60.9cs components run with a sundown sax-100.4d. I am then getting two 120.3 kappa perfect subs DVC 300 rms each @ 4 ohms run by a CADENCE TX-A750D wired for 1 ohm.

Questions, What gauge wire do I need to run for that? 0 gauge? Direction towards a wiring kit would be great if anyone has suggestions. From the D/B what gauge 8?

Do I need another battery? How does having another battery work, the alternator recharges both of them, or the 2nd one you have to recharge ocassionally. If there is some info in another area on the forum I apologize I must have missed it.

Right now I have all the speakers, now amps or wiring. I am open to suggestions.

What gauge wire is good to the multi-elements?

 
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cstek

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