cg2694 Posted December 29, 2012 Report Share Posted December 29, 2012 So i just got my fully loaded fi sp4 dual 2 in the mail and im planning on putting it a 03 jeep grand cherokee v8 and plan on powering it with a cresendo 2000 but my question is what do i need to upgrade electrical wise to power the cresendo 2000 im trying not to get a new alternator but if i have to i will 03 Jeep Grand Cherokee limited Pioneer deh7200 hd speakers are stock for now Rockford Fosgate t2500 Fi Sp4 15 fully loaded xs power 680 Link to comment Share on other sites More sharing options...
ric006 Posted December 29, 2012 Report Share Posted December 29, 2012 well do the big three and put a xs 3000 or 2 in the back you should be good Link to comment Share on other sites More sharing options...
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