07sciontc 10+ year member
memphis and sundown
im doing a full system in my scion tc dyno mat and ill have a nav tough screen with a 4 chanul amp running about 75 to 100 watts per chanel and a mono block at about 3000 rms give or take 500 im planning on doing the big three and running all 0 gauge for big 3 and amps i need to know should i upgrade my alt and should i add some xtra bats like one big one or maby 1 smaller one 2 smaller please help me lol thanks