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You can use your factory head unit

All you need is an amplifier and wire it correctly. I had it done on previous vehicles. This is my plan....


Focal or Hertz Pro Series components on the front and Focal or Hertz Pro Series 6.5" 2 way on the back... connected to a 4 channel amp


8 or 10" sub that requires minimal air space connected to a 2 channel mono amp.. I want something where the sub box is as small and light as possible... I don't want to kill the MPG with a big box. The perfect place for the amps is the spare tire area.... But, some mods are required to do it. The basic easy way is under the front seats...
 

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How does that work hooking up an amp? Is there a pre-out on the head unit? Or some sort of voltage reduction system on the amp?

You need a converter that costs about $20.. What it does is it uses the wires for 1 set of your factory speakers and converts it to the input/output RCAs that connect to the amp.
 

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eeew, line level converters are garbage. Always noisy, never clear. No such thing as an acceptable one, IMO.

The lack of true pre outs on this head unit is the final straw. Getting aggressive about selling right about now.
 

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I know you have good reason to sell, but I don't think it would cost that much to tap into the high (line) level outputs. You would just have to find an electronics whiz. $100 would seem fair. Likely under an hour of work.

I've never heard of a line level converter before. Obviously it would be best not to have that step, but I'd bet there are acceptable ones out there. Historically much of recorded audio has incredible steps to reduce noise and improve fidelity that has to be managed by the playing equipment. Think RIAA curves or Dolby equalization. Or even digital audio. So it is certainly possible to get a good result using a a variable line level from the head unit amp.
 

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If you want optimum sound, just replace the head unit... There's really no added benefit to keep the factory unit besides the "Hybrid" display feature.. which isn't all that useful, IMO.
 

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What's a steteo? :p

No, but really...KK6PD mentioned adding some after-market sound deadening. Is that doable?

I really think that would be the best improvement on stereo sound. I think the system in the EX (I have the EX) is decent, but needs more sound deadening in the car to be appreciated more thoroughly.
 

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What's a steteo? :p

No, but really...KK6PD mentioned adding some after-market sound deadening. Is that doable?

I really think that would be the best improvement on stereo sound. I think the system in the EX (I have the EX) is decent, but needs more sound deadening in the car to be appreciated more thoroughly.

I spent over $6,000 on the sound system on my previous vehicle.. I think there was probably about 50 lbs of Dynamat to deaden the sound.. That stuff is heavy. It really doesn't make it a huge difference unless you play with your volume up, and your car is thumping from the bass.
 

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just got my 2019LX this weekend. love the car so far, but the sound is pretty bad.

i'm not an expert, but i'm pretty sure it's just the speakers. will be trying to match specs on some third party door speakers.
has anyone opened the doors to swap them out? how did it go?
 

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I just had the front speakers replaced today. it is definitely a big improvement and way clearer now. I had a set of JL C1 components put in to replace the factory door and dash speakers. I am going to have the rear doors replaced sometime, probably wait a few months for that though. I am not sure if I am going to get the matching coax version of the C1's or go with a different speaker that might be cheaper, for example they had some memphis speakers that didnt sound too bad and would have been half the cost.
The car still needs some low end. I am just not sure where to tap a 12 volt line to.
 

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If someone has a schematic of the stereo in the Niro, I will point out the location of the pre-amp out to drive an external power amp. You will have to be able to solder, drill holes and run wiring to effect this mod! Otherwise you will have to find a competent tech to achieve this.

A speaker converter, or Line Level Converter is nothing more, at worst case, a resistor in series with the power amp output to the pre-amp input.. the amount of resistance determines the amount of voltage reduction. Better would be a L pad. Visit this site https://www.diyaudioandvideo.com/Calculator/DriverAttenuationLPadCircuit/. Driver impedance is your speaker ohms. Desired attenuation is how much drop in level you want. You will need to know what the max line level in to what ever you are feeding, otherwise distortion results. power out is simply that, power out of the amp that's supplying the signal you want to attenuate.
In the end you might want to consider you are not driving Carnegie Hall, but a SUV with rubber tires on an imperfect road at speeds faster than 0 mph! It is what it is, it will never be Carnegie Hall.
BTW I meant I said, somebody gets me a schematic, I will find you your pre-amp outs!!
 

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well i bought some JBL speakers on cybermonday. hopefully i can get the front door panels off easily without too many broken clips. has anyone seen any good info for 2019 door panel? there are some on youtube for other kias and other years, i assume those are close.

it's probably pretty close to this diagram of 2017...
Kia Niro Owners and Service manuals online Front Door Trim Repair procedures : Front Door
it wont' let me post urls yet!
 

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Hello, I too have been suffering with the inferior sound on my 2018 Niro. This car replaced a 2004 Mitsu Outlander with a stock stereo system that was the best I ever had and it was the middle model, not the best model. I do believe that a speaker upgrade would satisfy me, but I don't know how to go about it. I would expect it to be a plug and play situation where door panels are removed and new speakers put in the place of the old and voilá! Will crutchfeld help me or do I need to go to a special store? Not looking for the best, just better. I like to play music loud without it sounding strained or tinny. Any suggestions appreciated. Thanks!
 

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If you want optimum sound, just replace the head unit... There's really no added benefit to keep the factory unit besides the "Hybrid" display feature.. which isn't all that useful, IMO.
What about the climate control info?
That is only displayed on the stereo screen
 

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Hello, I too have been suffering with the inferior sound on my 2018 Niro. This car replaced a 2004 Mitsu Outlander with a stock stereo system that was the best I ever had and it was the middle model, not the best model. I do believe that a speaker upgrade would satisfy me, but I don't know how to go about it. I would expect it to be a plug and play situation where door panels are removed and new speakers put in the place of the old and voilá! Will crutchfeld help me or do I need to go to a special store? Not looking for the best, just better. I like to play music loud without it sounding strained or tinny. Any suggestions appreciated. Thanks!
I have some JL c1 components in the front doors and wow what a difference they made. They do not have a huge bass but for the mids and high end they are really nice for running on head unit power. I have an appointment for next friday to get a set of the c1 coax put in the rear doors and a cerwin vega VPAS12ST installed in the spare tire well to give some of the missing low end.
 

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I have some JL c1 components in the front doors and wow what a difference they made. They do not have a huge bass but for the mids and high end they are really nice for running on head unit power. I have an appointment for next friday to get a set of the c1 coax put in the rear doors and a cerwin vega VPAS12ST installed in the spare tire well to give some of the missing low end.
I am not looking to get a sub or anything but the 4 speakers replaced. the main reason is that I want more bass than what it gets from the stock speakers. I don't think the speakers you chose will do that without a sub based on what you said.
 

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The JL's are nice for clarity but definitely not great for bass.
Honestly I have never had any 6.5 or even 6x9 that really gave great low end. At least not without creating a line array or creating something like a 6th order bandpass or something like that. As far as just slapping in replacement speakers with no extra amp or sound processing I am not aware of any speakers that are both high sensitivity and can deliver a clean low frequency response in a speaker that is shallow enough to fit in the doors of the niro without modification. There may be some out there and sound is soo subjective that what is acceptable bass to you may be nothing for me or vice versa.
If you are just looking for some bass and not high end anything else you may want to look at one of those small underseat woofers. There are many companies that make quality units like Infinity, JBL and the like.
 

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The JL's are nice for clarity but definitely not great for bass.
Honestly I have never had any 6.5 or even 6x9 that really gave great low end. At least not without creating a line array or creating something like a 6th order bandpass or something like that. As far as just slapping in replacement speakers with no extra amp or sound processing I am not aware of any speakers that are both high sensitivity and can deliver a clean low frequency response in a speaker that is shallow enough to fit in the doors of the niro without modification. There may be some out there and sound is soo subjective that what is acceptable bass to you may be nothing for me or vice versa.
If you are just looking for some bass and not high end anything else you may want to look at one of those small underseat woofers. There are many companies that make quality units like Infinity, JBL and the like.
In my old Mitsubishi Outlander (2004), the stock speakers were awesome. I had to keep the bass flat and increase midrange and treble for most music I listen to. If only I knew what brand they were. Is there any way to find out?
 

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When I look at the reviews of speaker replacements at crutchfield they are all mixed. they all have some complaint about bass response not being enough but also praise about it being good. I wish there was a way to sample them instead of buying blind. I realize that others are buying for different cars, but not sure why such a disparity in opinions. Has anyone replaced the 4 speakers been satisfied without adding a sub?
 
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