Electrical upgrades

[atoz2]

How big can i go before i have to get batteries and a new alternator?

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[tc300 10+ year member]

800 "real" watts or less.. anything over should get yourself an xtra battery.. what did you have in mind??

 

[rfluvinmf 10+ year member]

I ran my Kicker zx1500 on 140a stock alternator, Big 3 upgrade, & Kinetik hc2000 in a 96 Suburban.

 

[fly_marlin]

Depends on the alternator. It's about 70 amps per 1000w of amplifier power. I'm pretty sure you'll be fine with a 1500w setup without needing to upgrade.

 

[Staynlean 10+ year member]

There's so much missing information in your op that we need to give an answer.

So much

 

[atoz2]

I was wanting to run a Hifonics X400.4 brutus to my doors and a hifonics X1900.1D to my sub i havent done the big three and its a stock blazer

 

[atoz2]

is that do-able?

 

[CSCStang]

You running at 4 ohm?

 

[atoz2]

i'd probably be running the 1900 at 2 ohms and the 400 at 4 ohms

 

[Jeffdachef 5,000+ posts]

i'd probably be running the 1900 at 2 ohms and the 400 at 4 ohms

definitely need a replacement agm battery or additional battery to the rear next to the amp and the big 3 upgrade. That is if the new hifonics line actually does close to rated power.