4 15's

[saintluey 10+ year member]

4 15''s P2 running 350-400RMS. will it crack my windows, just one does alot of rattling of the trunk so i was wondering?thkz i know 4 sure i am getting a red top battery. should i change the alt. also. how bout a digital cap.?

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[TheVanMan 10+ year member]

You got 4 15's that run about 400 watts each, right? If so you shouldn't have a problem with cracked windows. It takes a lot of pressure inside a car to do something like that and I doubt your system will do more then just rattle the crap out of your car.

You should get the red top. Forget about the cap, you really don't need it. I would invest in a new alternator if you have dimming lights.

 

[squeak9798 5,000+ posts]

Chances of a daily driver breaking windows are slim to none; unless you start throwing rocks at the window or something to that effect.

If you have having problems with your voltage, upgrade your alt and battery and forget about a cap.

 

[monte_carlo97 10+ year member]

Battery, Alt, and The big 3

are the things you should do.