HELP!! Battery(s)? Wiring? Capacitor? Alternator...ughh!!!

[RCobra07 10+ year member]

Ok, I guess I will give a short run down of my upcoming set-up. I have an '06 Dodge Durango w/ 160A factory alternator. As for my amps, I will be running a Crunch GP3000D-Pro on the subs (2 RE Audio SE15's), this amp is supposed to put out around 2,800 watts when given proper electrical. I will also be running two sets of separates off the other amp(s) which I have not yet determined yet, let's just say (2) Crunch GP2350's which are 175Wx2 each, or 700 total RMS watts. So, maybe 3,500 total watts. I have been told that I should use a 200A fuse for the Crunch for whatever that is worth.

As for my use of the system, purely personal enjoyment, no competing, or running for any length of time with the car off, or anything like that...I am just looking for something that is capable of being very loud and decent sounding while I drive. I don't want my lights dimming to non-existent, or losing tremendous amounts of power to the amps.

So far I am definitely doing the following:

-Big 3

-Upgrading factory battery

So, what else do I need to run this correctly but without overkill?

thank you,

ryan

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[audioarsonal 10+ year member]

The easiest and cheapest will be to buy a couple batteries and put them in back.Run 1/0 and you'll be good.

 

[RCobra07 10+ year member]

The easiest and cheapest will be to buy a couple batteries and put them in back.Run 1/0 and you'll be good.

Thank you for the reply.

Pardon the stupidity of this question, but will an additional battery provide better performance while the car is running or just sustained time with the car off? I am hearing the latter from several people, however, they are not too familiar with car audio.

thanks

 

[audioarsonal 10+ year member]

It will help all around.By adding another battery or 2 you double the amount of power you can supply.This will feed your amp more current longer as well as help if you run the stereo with the car off.

 

[RCobra07 10+ year member]

Another question, would it be ok to just ground the second battery in the rear of the car, or does it def need to be grounded in the front?

On edit: Do I also need an isolator?

 

[audioarsonal 10+ year member]

You can just ground it to the frame that will be fine.As for the isolator.Some say yah some say nah.If you don't charge them often with a charger I would install an 80-100a relay(but they can be expensive).