Knowledge Zenith (KZ) impressions thread
Apr 21, 2018 at 5:38 AM Post #31,171 of 63,803
The ZS6 exists to be used with foam tips or Ostry tuning tips. The Ostry OS300 tips I use practically nullify the peak and make the bass hit hard. Modding it to block or muffle one pair of the BA drivers can also tame the treble, but I personally haven't had luck with that. Listening to it stock is inadvisable.

you are right, quality foam tip should be used with them, but perhaps ostry OS200 would be better balance for KZ6, because OS300 takes too much from treble. If someone have tried these could say their opinion. I personally better modify ZS6 with foams and EQ, but not change original construction. But it's every ones decision.
 
Apr 21, 2018 at 5:38 AM Post #31,172 of 63,803
The ZS6 exists to be used with foam tips or Ostry tuning tips. The Ostry OS300 tips I use practically nullify the peak and make the bass hit hard. Modding it to block or muffle one pair of the BA drivers can also tame the treble, but I personally haven't had luck with that. Listening to it stock is inadvisable.

Yep totally agree with this and forgot to mention switching to foams. I use the rounded foams from aliexpress.

Like these:

http://s.aliexpress.com/6nuYVV7J?fromSns=Copy to Clipboard
 
Apr 21, 2018 at 6:04 AM Post #31,173 of 63,803
Just receive my KZ ZS5 and I think it is much worse than the ZST, the shape is too hard to fit comfortably into my ears, and I feel like ZS5 always has the low volume "ssssss" sound when listening, the high notes become too high and produce an even louder "sssssss" sound, such a regret because I lost my ZST and purchase the new ZS5, would have bought back the ZST instead.
 
Apr 21, 2018 at 6:05 AM Post #31,174 of 63,803
It's a KZ kind of day:

20180421_105923.jpg
 
Apr 21, 2018 at 7:50 AM Post #31,175 of 63,803
I was very tempted to buy the ZS10 but, I settled on the ZSR and ZS6. I've read great things about the ZSR so I'm excited to give it a listen. The ZS6 does worry me though because some have said that the treble is peaky.
For those that have the ZS6, do you find it sibilant or is it a small peak? I listen to Travis Scott quite often and his music can get really sibilant.

My ZS6 was sibilant, with a bit too much trebles, even after 120 hours under pink noise, then I began burnin with white noise, after 40 hours, sibilance was very reduced, & level of trebles reduced. I do preffer the ZS6 vs the ZSR because the voices are slightly distant with the ZSR.
 
Apr 21, 2018 at 8:00 AM Post #31,176 of 63,803
EB3657D8-B9F1-4425-A1A0-7E46F3D209D0.jpeg
Is QKZ upping their game? Their new VK1 costs €18 rather than 3-10 euros, it looks seriously good and has the standard KZ packaging now.
 
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Apr 21, 2018 at 8:51 AM Post #31,178 of 63,803
Is QKZ upping their game? Their new VK1 costs €18 rather than 3-10 euros, it looks seriously good and has the standard KZ packaging now.
Dual graphine 1 Tesla dynamic driver for $19? Not sure I quite believe that it can be done for that price. And especially not while sounding good. Reviews will be interesting to see.
 
Apr 21, 2018 at 10:12 AM Post #31,180 of 63,803
Is QKZ upping their game? Their new VK1 costs €18 rather than 3-10 euros, it looks seriously good and has the standard KZ packaging now.

Some of the photos look like they have 2 BAs in the nozzle?
 
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Apr 21, 2018 at 10:20 AM Post #31,181 of 63,803
Is it worth upgrading from the KZ ZST to the ZS6.
I really like the ZST.
I'd go for the ZSR...which is a much better sounding ZST. The ZS6 has a totally different tonality and is only for people who can handle very strong treble.
 
Apr 21, 2018 at 10:33 AM Post #31,183 of 63,803
To be pedantic, flat impedance is not necessarily due to single driver. It is due to several factors including the driver and the enclosure. For example, Sennheiser HD650(300-500 ohms), Koss KSC75(60-140 ohms) are single driver, but their impedance varies a lot and it is mostly due to resonance inside the enclosure.

In general, when the output impedance goes up, the resonance at particular frequencies inside the earphone enclosure gets sustained or amplified and the resonance is usually below 100Hz which results in boomy bass.

This would explain why the bass of the ZS10 is more focused with the audioquest dragonfly (0.3 ohm) and is boomier with the iPhone 5S (1 to 3 ohm, I don't know the exact number).

Impedance profile and FR curve for the ZS10 coming soon. Stay tuned.
 

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