help on amp wire gauges!

[Pono76]

hi guys i need help on what gauge amp wire i will need since i will be running 2 amps to one battery, and what gauge speaker wire should i use thanks guys!

so this is my set up guys

pair of http://www.sonicelectronix.com/item_...TS-D1730C.html

pair of http://www.sonicelectronix.com/item_...TS-A6965R.html

hooked up to this amp http://www.sonicelectronix.com/item_...-BA1000.4.html

and this sub HDS212

amp for sub http://www.sonicelectronix.com/item_...k-R1-2000.html

note that i dont have a head unit atm planning on getting one

also will i need to upgrade my alternator or just use a better battery?

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[rfluvinmf 10+ year member]

Anything between 12 - 16 gauge. You should be fine.