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Topic Review (Newest First)
05-27-2013 06:35 PM
sunsheyn29 Thanks b.lister for the great write up! Just finished installing both dash speakers. Had installed the soundbar speakers a few weeks ago. Went with the Kicker upgrade and am very happy with the results. The stock speakers truly sucked after having the Alpine in my 2011 JKU. This was my first project on my 2013 JKU...actually first jeep project ever. Write up is fantastic and helped a LOT!
05-23-2013 06:17 PM
1happyathlete
Quote:
Originally Posted by buried20kleague View Post

My guess is the support you get from Crutchfield. A lot of people just on this site have said they've bought from them knowing they could get help if they needed.

I just bought these (plus everything else I'm installing) from Amazon, and it saved me hundreds. There was just way too much info on this site and others for me to believe I couldn't get it done on my own and save the cash.
Yip. Same here. Easy install with the info available in this site.
05-23-2013 03:52 PM
buried20kleague
Quote:
Originally Posted by kingsfan View Post
found this awesome writeup by searching for polk db651s on this site. hopefully i can order and get this done this weekend!

btw anyone know why these speakers cost almost twice as much on crutchfield as they do on amazon?
My guess is the support you get from Crutchfield. A lot of people just on this site have said they've bought from them knowing they could get help if they needed.

I just bought these (plus everything else I'm installing) from Amazon, and it saved me hundreds. There was just way too much info on this site and others for me to believe I couldn't get it done on my own and save the cash.
05-23-2013 03:49 PM
kingsfan found this awesome writeup by searching for polk db651s on this site. hopefully i can order and get this done this weekend!

btw anyone know why these speakers cost almost twice as much on crutchfield as they do on amazon?
05-02-2013 08:18 PM
wassup8687 Very informative write-up.
05-02-2013 11:29 AM
1happyathlete Thanks for this AWESOME write-up. I just ordered polk db651s for the front and soundbar. This is exactly what I needed to do the install in the next weekend or two!

04-24-2013 11:22 AM
woansleftpeg New amp won't go anywhere near CANBUS, and yes, you need a new fused power cable direct from the battery because the stock amp is so puny it uses something like 12awg wire for power.
04-24-2013 11:07 AM
st1264 Just like a high powered aux lighting system, a new amp would be powered right to the battery, not wired into the Canbus system. That's my understanding. I'm sure another person who has actually installed on a JK will chime in.
04-24-2013 10:10 AM
woansleftpeg
Quote:
Originally Posted by flyheli View Post
Does the factory amp have to stay inside because of the CAN bus or can you rip it out?
You can take it out, but you'll have to either cut the plugs off and extend the speaker cables or rewire completely (which was my preference). CANBUS doesn't seem to have an issue with the disappearance of the amp, although I had already replaced the HU before I removed it - I don't know if CANBUS would get upset about the amp being removed with the factory HU still trying to send it commands. I don't see why it would as I believe that all of the stock head units can be installed in non-premium audio configurations, but someone who know the stock units better than I would probably be able to tell you if there is at least a setting in the unit to tell it whether it has a factory amp.
04-24-2013 10:03 AM
JEEPbug ^ I would like to know also.
04-24-2013 09:34 AM
flyheli Does the factory amp have to stay inside because of the CAN bus or can you rip it out?
04-23-2013 12:42 AM
RonS
Quote:
Originally Posted by st1264 View Post
I agree, HU, speakers, sub & amp (if premium) is all trash. Only way to get audiophile quality is by using sound deadening material and swapping everything. If you're only doing a piece of the puzzle you won't get what you're after. Some are perfectly fine with the stock equipment as they don't know any better... as it sounds just as good as their Ipod dock at home with 3" speakers.

You and I (and most of the forum) know that the equipment is junk.

Good system is:

New HU, amp, sub, components in front, good speakers in the back, crossovers at the right points and you have good sound.

I don't know how the stock HU is setup, so I can't answer your particular question, but even if you get the low frequencies to those soundbar speakers, you won't be happy with it. I guarantee it.
Yes, that is what I suspected.
04-23-2013 12:28 AM
st1264 I agree, HU, speakers, sub & amp (if premium) is all trash. Only way to get audiophile quality is by using sound deadening material and swapping everything. If you're only doing a piece of the puzzle you won't get what you're after. Some are perfectly fine with the stock equipment as they don't know any better... as it sounds just as good as their Ipod dock at home with 3" speakers.

You and I (and most of the forum) know that the equipment is junk.

Good system is:

New HU, amp, sub, components in front, good speakers in the back, crossovers at the right points and you have good sound.

I don't know how the stock HU is setup, so I can't answer your particular question, but even if you get the low frequencies to those soundbar speakers, you won't be happy with it. I guarantee it.
04-22-2013 11:56 PM
RonS
Quote:
Originally Posted by st1264 View Post
Those speakers in the sound bar should not receive any low bass frequencies anyway as they cannot reproduce them. If I was building a system I'd high-pass them around 100hz (or to a point that sounds the best). Low bass frequencies should be low-passed to the subwoofer.
True but we're talking about a stock head unit and upgrading only the speakers. They will not handle below 100Hz but it sounds like everything below 1000Hz is clipped. There is no mid-range, mid bass or bass coming from them.
04-22-2013 11:31 PM
st1264 Those speakers in the sound bar should not receive any low bass frequencies anyway as they cannot reproduce them. If I was building a system I'd high-pass them around 100hz (or to a point that sounds the best). Low bass frequencies should be low-passed to the subwoofer.
04-22-2013 11:18 PM
RonS Nice writeup. Wish I would have found it before I did mine. My thoughts are that upgrading the speakers in the sound bar is a waste of money if you are not replacing the head unit. What they appear to have done is built a crossover into the head unit that limits the frequency range going to those speakers. There is no bass back there and it sounds like there is nothing under 1000Hz. If you fade all the way to the rear then fade all the way to the front you'll hear it.

If anyone finds a solution to this it'd be very interesting to hear about. Some wiring diagrams indicate that there are two pair of wires for left and right "subs" as they call them. These are different from the sub leads should carry signals below 100Hz. I'm wondering if anyone has these leads and if they have tried twisting them into the leads that go to the sound bar.
04-19-2013 10:37 PM
vinnydags I would like to note that I did do the install just as described in the write up. Going on three weeks and I love it. Sound is better and I can actually feel some bass!

Quote:
Originally Posted by b.lister View Post
The soundbar speakers look fine to me using the new grilles from Polk, but that is just my opinion. I think, if you use the dB651S (shallow mount) you might be able to use the factory grille covers, and the difference should be just ╝" or so lower than stock (the width of the adapter). Others here have used the 651S shallow mounts in the soundbar; maybe they will chime in and let you how how they feel.

I found that the stock system is still underpowered, but if you fade output to the rear a bit and crank it up some, they sound remarkably better than stock. Because I can't leave the damn Jeep alone, I just installed a 430RBZ Mygig head unit and love it (used, plug and play). It may be my imagination, but I think it sounds better than the 130RES that I had.

Good Luck,

John

I have been doing my research and am now hooked on getting a 430RBZ as well!!
04-07-2013 11:12 AM
st1264 To be honest, I've never been that high on Kicker coaxial speakers... but it seems that's what most people are upgrading to as they are made to fit the stock locations perfectly.

But yes, they would sound better with a new HU, then even better with an amplifier. It seems the 4 speaker only upgrade is substantial, but personally I'll put the speakers of my choice in with adapter plates.
04-07-2013 08:30 AM
warbird24
Quote:
Originally Posted by woansleftpeg View Post
Warbird, the great thing about upgrading the speakers is that no-one knows that you have done it because they're still covered by the stock grilles. Swap the head unit out for one with a removable faceplate and you're pretty secure.
I think that will be the path I'll be going down shortly. I can see and feel the quality of the kicker speakers and having them in the stock locations (only the sound bar for now) is nice that they are in the factory spots and look stock.

After doing the rear speaker install I am less than pleased with the results. I may have to stop and get some polyfill this afternoon and stuff the soundbar. The sound is still very muddy and not nearly as crisp as I would have thought. Beginning to think it is the head unit more than anything else. I've looked at some of the Kenwood Excelon head units and I think I may go that way.
04-06-2013 08:49 PM
woansleftpeg Just wanted to add my thanks for this, I replaced the stock fronts and tweeters with Polk db6501 components today and the tutorial on how to remove the pods was invaluable. I made it a bit more complex for myself by using components rather than coaxials, but with some patience and a bit of MacGyvering it all turned out quite well. I've also run completely new wiring, partly because I want to retain the option of returning the vehicle to stock at some point in the future and partly because I don't want the new system to be let down by the quality of the cable. Once you get the dashboard open there's a surprising amount of space in there to create new cable runs.

Warbird, the great thing about upgrading the speakers is that no-one knows that you have done it because they're still covered by the stock grilles. Swap the head unit out for one with a removable faceplate and you're pretty secure.
03-30-2013 07:42 AM
warbird24 Thank you for this write up. I know I have to go down this road, either with the Polks or the Kicker upgrades. I was sitting in my Jeep yesterday adjusting and playing with the stock radio settings. I think mine is a 130 unit without U-Connect. Very VERY basic radio.

When I totally dial out the front speakers, there is so little bass that you would think the sliders were switched all the way to the left. When I add in the fronts and adjust the sliders to near my enjoyment level it becomes almost acceptable.

While not an audiophile, and am a former musician and Choral group singer. I enjoy a wide range of music and like hearing some of the subtle nuances of voice and instruments.

I also have to balance this out with a very limited budget and a soft top Jeep. Having a Jeep can be target enough. Having $1000 in audio equipment would be tempting fate too much.
03-29-2013 12:11 PM
st1264 If I'm going to upgrade the HU it will be a Double DIN to take up all the usable space, as most have been doing. Just the HU and speaker swap is a big upgrade to the sound, I see. Good to know. Thanks for the write-up's.
03-29-2013 11:21 AM
volfo
Quote:
Originally Posted by woansleftpeg View Post
This is fantastic, without having read this I just ordered almost the same speakers - I got the DB6501 component speakers though, so I'll have to figure out how to swap out the tweeters in the tombstones on top of the dash. I'm sure I can figure it.

One thing to mention - I bought the speaker adapters because the Crutchfield site said I needed them to fit speakers into the housing, but your post seems to suggest that they come as standard with the Polk units. Can someone clarify please?
Adapter rings came with the 651 speaker pair but not the 651s slim speaker pair. Not sure why. I used the original factory ones as described in the original post but would have bought them if easily available and I had known.
03-27-2013 09:32 PM
OUTAGAS
Quote:
Originally Posted by st1264 View Post

Which HU did you put in?
This.


With these.
03-27-2013 05:26 PM
st1264
Quote:
Originally Posted by Red Belly View Post
Just did this upgrade. What a sound difference! HU and all 4 speakers. Thanks for this write up! I even redid all 4 speakers twice! As I was appeasing the OCD in me!!
Which HU did you put in?
03-27-2013 04:19 PM
OUTAGAS Just did this upgrade. What a sound difference! HU and all 4 speakers. Thanks for this write up! I even redid all 4 speakers twice! As I was appeasing the OCD in me!!
03-27-2013 03:16 PM
woansleftpeg This is fantastic, without having read this I just ordered almost the same speakers - I got the DB6501 component speakers though, so I'll have to figure out how to swap out the tweeters in the tombstones on top of the dash. I'm sure I can figure it.

One thing to mention - I bought the speaker adapters because the Crutchfield site said I needed them to fit speakers into the housing, but your post seems to suggest that they come as standard with the Polk units. Can someone clarify please?
03-27-2013 03:08 PM
Andrew_Evs Sure - Why not... Great write up. Thanks!!
03-25-2013 09:35 PM
vinnydags Bought all these exact parts and some polyfill today. Altogether it was $141.00 and it will be here on Wednesday (love that Amazon prime). I don't know if I can wait for the weekend to the the install!

Thanks for the great write up. This is just what I was looking for.
03-18-2013 10:45 PM
volfo
Thanks Again!

I did this yesterday, exactly as you suggested. Sounds much better, particularly when I turn it up. It also seems a little louder, even with the stock head unit. Will be replacing the stock head unit soon with the Kenwood Excelon 997 that I just received today from Crutchfield.

Thanks again! (and yes, it is weird but my db561 speakers had the adapter plate, like yours did, and my db651s speakers did not!)
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