Need help for my first system

[masonc 10+ year member]

I'm trying to make a list of things I need to get and/or do. I'm going to do the big 3, upgrade my battery,and already got a HU. Okay I have a 15" fi BL, if anyone could point me to some spec of a box with good SPL that would be very helpful. I've aslo got a RF 1500-1bd so could I run a single Kinetik HC1400 under the hood with no dimming of my lights? My alternator is stock, but I don't know much about them so how many amps would be good? I'm putting it all in a 99' Jeep Grand Cherokee. Thanks in advance.

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[masonc 10+ year member]

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[Pioneer~Saturn 5,000+ posts]

I would upgrade all wiring to 0-gauge...put the 15 in a 3.5ish cubic foot enclosure with a big ol' port tuned to your cars resonant frequency...then you can use 8 gauge power wire as speaker wire for the sub just to get the most out of it

As for the battery situation i think u should be fine, but u might want to put another HC1400 in the trunk near the amp to help out but you should do okon voltage without it...but just better with a second one ofcourse...and if you upgrade down the road youll prolly want an alternator upgrade