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Old 09-27-2012, 06:28 PM
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wranglerjoe71's Avatar
Join Date: Sep 2012
Posts: 8
adding amps and speakers, sub in 2012 sport

I have an Alpine 3555 4-channel and an Alpine MRP-350 2-channel that I want to install in my new Jeep Wrangler sport. My Jeep has the stock (non-infinity) HU that I wish to keep as it has the Uconnect and steering wheel controls, etc.
What do I need to buy in order to add my amps to the stock HU?
I am also going to have to upgrade the mids and highs as these stockers wont handle the Alpine 3555.
The other Alpine amp is going to power a sub....would it be possible to locate a factory sub enclosure and put my own sub in it?

Any help is greatly appreciated


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Old 02-19-2013, 11:40 PM   #2
Join Date: Jan 2012
Posts: 132
what did you end up doing? I'm trying to figure some things out myself.

I have the factory Infinity setup, but one of my speakers is already popping, so if I cant get that fixed under warranty I want to put some components up front and a new sub in the stock enclosure. I have a JL 12" sub/box and 500/1 amp laying around I'd like to use, but I dont want it getting stolen so an aftermarket 8" drop in might be something that would work for me.

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Old 02-20-2013, 07:38 AM   #3
axplayer's Avatar
Join Date: Jan 2013
Posts: 49
If you replace factory speakers and amplify them, you desperately need either a new head unit (not an option in your case, it sounds like) or a sound processor. I installed a JL XD700/5 and JBL MS-8 processor and it was a phenomenal improvement. I, too, wanted to retain the factory head unit. The JBL lets me listen to the system while bypassing the processor just to hear what the replacement speakers and amp sound like (and it's a good amp), and the sound is pretty terrible. The processor is needed in order to restore the signal downstream of the factory amp, which cannot be separated from the factory head unit. Hope this is helpful!
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