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Old 07-11-2009, 06:48 PM   #1
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First complete Sound System for a NEWB

So I have finally decided to spice up the sound system in my 2009 Jeep Wrangler Unlimited X given the amount of time I spend traveling (I Go to school in KY and work in Virginia, which makes about 10 hours a week I’m going to and from.

I had some questions for people who are wiser than I am.
First, I have been unable to find the maximum mounting depth for both the dash and roll bar speakers. I really want to put a specific set of infinity speakers in, but according to Crutchfields fit guide they won’t fit (But according to Sonic electronix they will). I am planning on buying everything from sonic since they seem to be far more economical than other places.

Wish list

What I need is for someone who knows about this kind of thing to look at my wishlist (Link to follow) and let me know if I have everything I need, and whether or not it will fit. If the speakers are a little to big, would it be possible to use the “universal extender” (also in the wish list) to give me enough room for the install.

Also, this is the first time I will be doing any kind of major install myself. I had a clarion VRX785BT head unit installed professionally about five months ago, but have removed it and re-installed it myself when I added XM radio. From What I Understand, this is what I need to do to install everything.

1. Mount the AMP. I think I will be puting this in the rear cargo area since I think it would be too big and cause too much heat under the seat.

2. Run the battery terminal and ground wire.

3. Run the StreetWires ZN5450 interconnect cables from the head unit to the amp along with the signal cable.

4. Mount the Sub in the box

5. Install all four speakers using the speaker harness adaptors. From what I gather I also need to run wire from the speakers to amp in addition to using the wiring harness connectors.

I hope I am making since. Please let me know if I am on the right track. Here is the link for the components I want to install.

Wish list

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Old 07-11-2009, 07:04 PM   #2
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Another Question, I was just looking at the manual for my head unit (clarion VRX785BT) and I noticed that it does NOT have an RCA for a Subwoofer out. Is it even possible for me to put a sub on it at this point? How does the sub know what to play, does it get it from the four speaker connections through the amp?

Thanks again.

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Old 07-12-2009, 07:29 PM   #3
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Originally Posted by jyurong View Post
Another Question, I was just looking at the manual for my head unit (clarion VRX785BT) and I noticed that it does NOT have an RCA for a Subwoofer out. Is it even possible for me to put a sub on it at this point? How does the sub know what to play, does it get it from the four speaker connections through the amp?

Thanks again.
first things first...make sure you take that face of that TV w/ you every time you get out..and if you can set a password on the TV do it...i know my clarion (in my show car) has a password.

the purple rca's listed as "non-fading" are your subwoofer outs

as for speakers fitting...best thing is remove factory speakers and measure the depth youself. that way you know...most speaker companies will list the depth of their speakers on their box and/or web sites. so you can see if the will work.

now for the amp is this a sub amp? mid & high? both?... either way about the same.

1) find a place to mount it.... make sure amp can "breath" also make sure where ever you plan to screw it down there is nothing to damage under the jeep...IE: gas tank, break/fuel lines, wires etc etc.

2) find a ground... as short as you can. to a clean un-painted surface. normaly i look for a factory bolt and grind paint off. if you can't..again look under the jeep making sure nothing there and get a bolt and nut combo and make your own..

3) run remote and rca's from head unit. (and if hooking up a mid & high amp speaker wires) ...but thats Only if you don't have a factory am in jeep. if you do have a factory amp..then run speaker wires to each speaker by-passing factory wires.

4) run main power to batt (through wire-wall look for gromet). Never run power through door jam. make sure you use a fuse and have it w/ in about 18" from battery.that way if there is a short it will blow fuse and save your jeep.


when you hook up wires to amp.. Ground if the 1st wire you hook up & Last you unhook


anymore question feel free to ask...this was just a fast answer...lol i know little long for fast.... but it was.
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Old 07-13-2009, 08:52 AM   #4
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Thanks for the info. One more question, what about the factory 1" tweeters? Will they still function if I unplug the factory speakers and re-wire the new speakers to the amp directly? BTW, After a couple of more days of research, I decided to go with a five channel Kicker 08ZX700.5 amp and a kicker 07CVR122 Sub.

I pulled the speakers out and measured, and found that the speakers I wanted wouldn't fit. So i decided to go with the kappa 92.7 instead. They are made for shallow installs, but are only two way speakers instead of three.

Here an Idea I had, let me know what you think. I am Thinking about mounting the amp in the little "hide away" compartment in the rear of the jeep, and just leaving it open when I am using the system. That way it has enough ventilation, but will be away from prying eyes when its parked.
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Old 07-13-2009, 11:32 AM   #5
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in that wish list ditch that sub and amp.
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Old 07-13-2009, 01:48 PM   #6
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factory Tweeters should still work, so long as you keep your clarion radio hooked up way it is now w/o that amp..

then when you add the amp to your system run new wires directly from amp to speakers your replacing. make sure the factory wires you unhook you tape up so they don't short out.

personaly i've never been a big fan of 5ch amps. they are normaly too big. but thats just me.

as for speakers etc listen to them see what you like *Make sure you listen to them).. ignore alot of what a salesman says. i know i know i'm a car audio sales man and that doesnt make sence.. but unlike most shops i'm salery not commission.. most sales guy's sell you what they want so they make more $$$. i try to see what someone is looking for in a system then go from there. fact of the matter is it's your jeep and your system.. get what you think sounds best. that sales guy isn't goin to be riding in your jeep so he doens't meen much.

another thing to keep in mind.. sub's in jeeps etc are goin to be so-so sound wise. since bass likes to reflect off things when top is off it's not goin to be as loud inside... alot of ppl get systems for jeep's, boats etc etc and think they are goin to sound like a car w/ a trunk and then when they are installed and they take it on the road they are unhappy bc volume in much lower. remember we have to fight through all the wind/road/tire noise.
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Old 07-15-2009, 11:40 AM   #7
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Originally Posted by Jaydogg25 View Post
another thing to keep in mind.. sub's in jeeps etc are goin to be so-so sound wise. since bass likes to reflect off things when top is off it's not goin to be as loud inside... alot of ppl get systems for jeep's, boats etc etc and think they are goin to sound like a car w/ a trunk and then when they are installed and they take it on the road they are unhappy bc volume in much lower. remember we have to fight through all the wind/road/tire noise.

not if you have an nice sub, i ran my immortal with no sound issues on the highway. now i have the bestop extendatrunk and it helps a bit.

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