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Old 10-20-2013, 02:40 PM   #1
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new speakers?

So I just got a 2004 TJ sport and unfortunately the stereo doesn't come with a aux cable input which is a must for me. Since I will be purchasing a new stereo I was think I might as well get new speakers. I think ill replace the 4 x 6" ones in the dash and the roll bar speakers. Most places recommend 5 1/4" for the roll bar, but I've seen that some people fit larger without having to drill holes. Anybody got any advice on what I should buy. Also I've heard that the sub in the console is a hassle so should I just not mess with it?

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Old 10-20-2013, 07:10 PM   #2
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How much of a budget do you have?

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Old 10-20-2013, 07:18 PM   #3
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Not a huge budget, I'm thinking that I want a stereo with a "stock" look. nothing blue led or flashy just simple. like this: Jensen MP1516BT CD receiver at Crutchfield.com

for the speakers ill just go with 5 1/4 inch in the sound bar(unless somebody has another suggestion) like these: MTX TN502 Terminator Series 5-1/4" 2-way car speakers at Crutchfield.com

or Kicker 40CS54 5-1/4" 2-way car speakers at Crutchfield.com

I'be heard its best to stay with the 4 x 6 and not get 4" with brackets put in the dash and i want to match brands so the frequencies are as close as possible

MTX TN462 Terminator Series 4"x6" 2-way car speakers at Crutchfield.com

or

Kicker 40CS464 4"x6" 2-way car speakers at Crutchfield.com

would the stereo wattage match well with any set of the speakers?
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Old 10-20-2013, 08:33 PM   #4
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I really like your choice of Head Unit(HU). It has bluetooth, removable faceplate, USB, and AUX, made by a reputable manufacturer of car stereo's. Excellent choice for the money.

Now, the speakers.

The MTX 5-1/2" are really small in RMS, only 35 watts. The 5-1/2" Kickers are 75watts and would be a much better choice.This is it. This is the speaker all around. No 4x6" speakers, they are crap.

What you should do is use a 5-1/2" adapter for the front and run the same 5-1/2" kickers all around. Same exact speaker all around, is going to give you the best sound.

The Nalin speaker adapter manufacturer advertises on this forum. The 4x6" are crap, I wouldn't waste my time with them. The Nalin Guy is all over this forum.

Your 5-1/2" Kickers seem like a very good speaker. They can even handle most reasonable amplification, and maybe everything with the gain turned down a bit.

The 4x6 would probably blow out. The HU shows 13watts and 40watts max. I am thinking that the loudness button, with it cranked, would probably give you the 40watts, with a lot of distortion. Meaning, you would probably blow out the MTX's.
The HU is rated 1% at 13watts, without the loudness button. 13watts is not much for a Jeep, so you will probably use the loudness button a lot.

Therefore, I think you should get the Kicker 5-1/2" speakers all around, meaning four of them, and use the Nalin Adapters for the front installation. With the 2004 Wrangler, I don't think any cutting of the dash hardware is neccessary. On my 1997, I did have to cut a bracket, but it was an easy install. Your install without the obstructive bracket will be even easier. You can find long threads on the Nalin speaker adapter and the 5-1/2" install, over the 4x6" speakers, all over this forum. Everyone says that it is no comparison, and I agree. I tried the 4x6" and they suck. Here's a short thread to the Nalin Adapters.

http://www.wranglerforum.com/f5/spea...it-110726.html
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Old 10-21-2013, 05:48 PM   #5
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Thanks a lot that was just what I was looking for. I will look into some 5 1/2" brackets for the dash (I honestly didn't even know you could go over 4" with brackets) they sound like the obvious choice. Thanks
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Old 10-21-2013, 08:06 PM   #6
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alright new question for anybody with some knowledge. According to a post on this site these speakers: Polk Audio DB651S Slim Mount 6 5 inch Coaxial Speakers Pair 047192112777 | eBay fit in the sound bar without having to drill new holes or any cutting. so if I were to install those 6.5" in the sound bar and any polk audio 5.25" speakers in the front (I think I would need an amp. please give me any info about which i should get an what not) would the polk 6.5 and 5.25 pair be better than 4 5.25" kickers (the ones I have been refering to)
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Old 10-21-2013, 08:17 PM   #7
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Ok so here are my two main options im looking at.

Option #1
SOUND BAR: Polk Audio DB651S Slim Mount 6 5 inch Coaxial Speakers Pair 047192112777 | eBay (These should NOT require drilling new holes)

DASH: http://www.amazon.com/Polk-Audio-5-2...glink121870-20
What amp would I need if I do need one?

Option #2 (about $20 cheaper)

FOR BOTH SOUND BAR AND DASH: Kicker 40CS54 5-1/4" 2-way car speakers at Crutchfield.com
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Old 10-22-2013, 01:10 PM   #8
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Originally Posted by Avery 2004 TJ View Post
Ok so here are my two main options im looking at.

Option #1
SOUND BAR: Polk Audio DB651S Slim Mount 6 5 inch Coaxial Speakers Pair 047192112777 | eBay (These should NOT require drilling new holes)

DASH: Amazon.com: Polk Audio DB521 5.25-Inch Coaxial Speakers (Pair, Silver): Electronics
What amp would I need if I do need one?

Option #2 (about $20 cheaper)

FOR BOTH SOUND BAR AND DASH: Kicker 40CS54 5-1/4" 2-way car speakers at Crutchfield.com
1)You are going to get the best balanced sound if you have the same speaker all around. Winner:Option#2

2)Also, if you have 6.5" speakers in the back, it is going to be next to impossible to hear anything from the front speakers. Winner:Option#2

3)The Polk5.25 has RMS of only 45watts, whereas the Kicker has 75wattsRMS. Winner:Option#2

4)Even if you try to fade correct the 6.5/5.25 combination, one set is probably going to have a preferable sound. (in other words, unbalanced)
Winner:Option#2
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Old 10-22-2013, 01:23 PM   #9
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I have a question on these same lines. Would the Kicker speakers work fine with the stock head unit? My sub was blown when I bough my LJ, so I just removed it. I could care less about a lot of bass anyways. However the other speakers seem to rattle a bit when I turn the music up, so I was thinking of replacing them soon.

So my question is, could I just replace the dash and sound bar speakers with the Kickers for some clearer and louder music, or would I need to upgrade the head unit as well? Thanks!

EDIT: also, if mine had the subwoofer in it, does that mean I have the 7 speaker setup? If so, do I need to replace the other 2 speakers as well?
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Old 10-22-2013, 01:39 PM   #10
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In for help on speakers too. 3 of the 4 speakers in my TJ are done, no sound. I got the Nalin adaptors so I can do the 5.25 front. I'm looking at the kickers also but would the cs, ds, or ks be better? Will be powered by the stock HU while I save for a new one+amp+sub. Can't break bank as I'm about to order Metalcloak tubes.
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Old 10-22-2013, 06:54 PM   #11
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Originally Posted by justin-branam View Post
I have a question on these same lines. Would the Kicker speakers work fine with the stock head unit? My sub was blown when I bough my LJ, so I just removed it. I could care less about a lot of bass anyways. However the other speakers seem to rattle a bit when I turn the music up, so I was thinking of replacing them soon.
If they are rattling, they are probably blown. The stock HU doesn't have much power, and it is matched to the speaker based on nominal output of the HU. If the HU has a 13 watt nominal output, and you use the 40watt max volume with the loudness button, then you quickly blow the speakers since they are only matched to the nominal value of the HU. The loudness button could even blow 50watt RMS speakers, because the distortion in the loudness button could blow the speakers. Distortion is the main culprit of blown speakers. The THD is given as a nominal watt value on the HU. If the nominal value is 1%THD, then at 40watts, then the THD could be ten times as much.
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Originally Posted by justin-branam View Post
So my question is, could I just replace the dash and sound bar speakers with the Kickers for some clearer and louder music, or would I need to upgrade the head unit as well? Thanks!
This is a many pronged question.

No. You won't get louder music with the kickers, but you will get clearer music than the blown speakers.

For louder music, you need an amp. And, a aftermarket HU is not a solution, because most HU use the loudness button and an internal amp, which increases the distortion and blows the speaker.

For more options on the HU, you upgrade the HU. For louder music you buy an amp, and then you don't need to use the loudness button that adds distortion to blow the speakers. You still need to match the RMS of the amp to the RMS of the speaker, so you don't blow the speakers.


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Originally Posted by justin-branam View Post
EDIT: also, if mine had the subwoofer in it, does that mean I have the 7 speaker setup? If so, do I need to replace the other 2 speakers as well?
My understanding is that later Wrangler models are using components over coaxials in the front. It basically still means that you have 2 speakers, but the front ones are split into separate tweeter and woofer. So, in this case, you have 2 separate tweeters+2 separate woofers in front, and 2 coaxials in the rear. And, if you have a sub, then that would seem like seven speakers. And, it really is seven separate speakers. But, the front four are running off the same 2 speaker channels. And the back ones are running off two speaker channels. So, you actually have four channels or four speakers plus the subwoofer, or 5 speaker channels. Hope this helps answer your questions and clear things up.
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Old 10-22-2013, 07:06 PM   #12
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Originally Posted by JVLemur View Post
In for help on speakers too. 3 of the 4 speakers in my TJ are done, no sound. I got the Nalin adaptors so I can do the 5.25 front. I'm looking at the kickers also but would the cs, ds, or ks be better? Will be powered by the stock HU while I save for a new one+amp+sub. Can't break bank as I'm about to order Metalcloak tubes.
When looking for speakers, try to think ahead. Don't buy 40watts speakers for your current HU, and then when you upgrade to a 60watt or 100watt speaker amp, you need new speakers. Look at the RMS of the speaker, and try to think ahead, so you don't have to buy new speakers when you add the amp or sub. Try to buy 75watt speakers if you plan to add a 60watt amp, or 90-110watt speakers if you plan to add a 100watt amp.

You are going to want to amp the speakers for louder sound. Adding a sub and sub amp, will not give you louder sound. You would want to get a 5 channel amp, or two separate amps(4 channel amp for the speakers+ a sub amp). For space consideration, in our Jeeps, I think a single 5-channel amp is best. This way you can amp the speakers, and have a amp channel for the subwoofer, all in one.
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Old 10-22-2013, 07:26 PM   #13
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1)You are going to get the best balanced sound if you have the same speaker all around. Winner:Option#2

2)Also, if you have 6.5" speakers in the back, it is going to be next to impossible to hear anything from the front speakers. Winner:Option#2

3)The Polk5.25 has RMS of only 45watts, whereas the Kicker has 75wattsRMS. Winner:Option#2

4)Even if you try to fade correct the 6.5/5.25 combination, one set is probably going to have a preferable sound. (in other words, unbalanced)
Winner:Option#2
thank you so much!
One last finial question

this head unit: Jensen MP1516BT CD receiver at Crutchfield.com

When I install the four kickers am I going to need an amp?
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Old 10-22-2013, 08:12 PM   #14
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thank you so much!
One last finial question

this head unit: Jensen MP1516BT CD receiver at Crutchfield.com

When I install the four kickers am I going to need an amp?
No, you won't "need" an amp. You may "want" an amp later for louder sound.
13watts is awful low for sound volume, and the loudness button is trouble.

I would say $150-$200 would get you a decent 5-channel amp.
Try to find something that won't overwhelm your 75watt Kickers.

Something like this Power Acoustik Demon Amp might work. 80wattsx400watts.
I doubt you could stand the sound above 60watts. I can't take it above 40watts, and I have a 100watts amp. A clean 40watt amplification is really loud. It's like taking that Jensen HU, hitting the loudness button, and turning it to the top, without the distortion. It's plenty loud, although you would probably blow the 75watt speakers, if you did that with the Jensen, and it would sound horribly distorted.

I couldn't find reviews on the Demon amp, and Class A/B amps, tend to heat up faster than Class D amps. You might call them and discuss heating expectations, amp longevity, comparable amps and prices. Research is the key to getting the best amp for your money.
Alpine(Class D) amps are probably the best, but others may disagree. Most 5-channel amps use passive cooling(thermal venting), but active cooling(Fans) is best. The key thing is keeping the amp cool, because car amps heat up.

PowerAcoustik D52200 2200W Demon Series 5 Channel Car Audio Amplifier

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