Knowledge Zenith (KZ) impressions thread
Jun 24, 2019 at 8:18 AM Post #45,406 of 63,834
Hello, I had a chance to compare zs10 and zs10 Pro directly. My source was Norma sr15, copper cables and KZ tips. This is my personal insights related to complex music:

Bass - better balancing on zs10 Pro. Quality is similar.
Mids - better on zs10 Pro
Treble - better balancing on zs10
Soundstage - deeper and more natural on zs10. zs10 Pro has wider and higher.

(zs10 plays better at higher volume, than at lower. Edit: I forgot to mention that the silver KZ cable greatly improve the zs10s sound.)
 
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Jun 24, 2019 at 8:59 AM Post #45,407 of 63,834
ZS10 Pro - 7 days in

After about 150 hours playtime (burn-in) I notice some first effects on some peaks especially the one at ~4.5 kHz and from ~7 kHz upwards. Most natural instruments on my test tracks sound more natural and less 'thinned out" now.
One thing that still bothers me though is the range between ~1 and 2 kHz (~C6 - C7 for musicians). Especially pianos sound as if someone had put a sheet of metal on top of the strings, instant John Cage, lol. Other instruments have similar, pronounced issues with their timbre in that range as well, could be interference issues in the transition zone of two drivers. I've used some precision EQs in my DAW and narrow sine sweeps to listen in more closely and went through a number of excellent recordings on different sources again but as it seems those interferences are probably there to stay.
Anyway, as I posted before I do enjoy the 10 Pro with electronic music of all sorts; but for natural instruments I still grab something else - YMMV.
 
Jun 24, 2019 at 10:09 AM Post #45,408 of 63,834
AS10 review, very smooth, coherent and easy to like:
http://www.soundperfectionreviews.com/2019/06/review-kz-as10.html

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Jun 25, 2019 at 4:53 AM Post #45,409 of 63,834
I made up a little graphic to show the difference between the different types of KZ cables, since a lot of people are confused on this.



Feel free to use the image when/where/how you want.

Hi, can you recommend a balanced cable for ZS10 pro with the 4.4mm ending? Thanks!
 
Jun 25, 2019 at 6:10 AM Post #45,410 of 63,834
I guess you have been lucky then, and your mom has not. I'm not saying that hearing loss is ONLY a result of loud workplace environments. Other factors (such as hereditary or something else) can play a role in it too. But there is definitely scientific proof, that over exposure to continuous loud sounds from working in a noisy environment for many hours/day, can result in hearing loss.
There is way around bone density loss. Vitamin K2 is quite effective at preventing bone density loss. Either natural or supplement form it's something everyone should know about, especially music lovers.
 
Jun 25, 2019 at 7:05 AM Post #45,411 of 63,834
At my house, I'm the tech guy.
My mom needs a new IEM, so I ordered her a KZ ES4 because that's my favorite.
I'll report on if she likes it when it gets delivered.
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Jun 25, 2019 at 7:48 AM Post #45,412 of 63,834
Jun 25, 2019 at 11:28 AM Post #45,414 of 63,834
Is the Type C cable the same as a QDC? I saw a bunch of those on Ali, but can't tell if they're equivalent. I didn't see anything in the thread or the magic Google machine.

I believe so. I recently came across this "KB EAR" (also "KBEAR") brand cable:

https://www.amazon.com/dp/B07RZY5C8D/

The one customer review there had this to say:

"The true upgrade cable for the KZ ZSN /ZSN pro
Excellent construction over the alleged upgrade cable from KZ. Has the proper plugs for the IEM. Better weave than both the OEM original and upgrade. Significantly more copper used as well. Does a nice job smoothing the sound signature, making the presentation more natural. This is the minimum type cable KZ should be using!"

While the "for ZSN ZS10/ZSN Pro AS16" connector is only in stock in standard 3.5mm on Amazon, I went looking on AliExpress and the KBEAR Official Store has the QDC with the 2.5mm balanaced connector for $16 (but not 4.4mm for some reason):

https://www.aliexpress.com/item/33018785015.html

So that looks like it confirms that QDC = Paragraph Type C, i.e the connector used on the ZS10 Pro. If you want 4.4mm balanced connector, looks like the "AK KB EAR 16 Core Upgraded Pure Copper Cable 3.5/2.5/4.4mm Earphone Cable With MMCX/2Pin For KZ AS16 ZS10 ZSN PRO TRN X6 CCA F1", currently $26, has it as an option:

https://www.aliexpress.com/item/33039768500.html
 
Jun 25, 2019 at 12:53 PM Post #45,416 of 63,834
With KZ, is it advised to order directly from the KZ official store on AliExpress or are other re-sellers on there fine as well?
I order from any store with good feedback, but I am not an expert on KZ.
 
Jun 25, 2019 at 12:58 PM Post #45,417 of 63,834
With KZ, is it advised to order directly from the KZ official store on AliExpress or are other re-sellers on there fine as well?

Other resellers are fine. Recently there was an issue with the bluetooth cable and as old stock was being recalled and fixed cables were being rolling out, people were recommending buying that item direct from KZ store to ensure it was the fixed version.
 
Jun 25, 2019 at 1:03 PM Post #45,418 of 63,834
There is way around bone density loss. Vitamin K2 is quite effective at preventing bone density loss. Either natural or supplement form it's something everyone should know about, especially music lovers.
I thought K2 is where you go to die if Everest is already all backed up and corpsy.
Stupid non-funnies aside, I doubt there's any research that directly covers bone density and hearing and K2. But what do I care, I like various milk stuffs so I'm covered either way.
 
Jun 26, 2019 at 2:00 AM Post #45,420 of 63,834

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