BUDGET
IN-EAR

ZS5

KNOWLEDGE ZENITH

Rating

Price

6.9

20 €

Review published:

03/2018

Driver

4

per Side

2

Dynamic

2

Balanced

Impedance

18 Ohm

Piezo

0

Sound

7.5

Bass

6

Mids

7

Trebles

Sensitivity

106 dB

6.8

Handling

8

Haptic

C

Value

-

Daily Life

Frequency

20 - 20000 Hz

Intro

The ZS6 is the direct successor of the ZS5. Optically there is almost no change, except for the change to aluminium instead of plastic. Soundwise, however, there are some differences.
It's still almost unbelievable what you can finally get in your hands or ears for this price.
The ZS6 is louder than the ZS5, due to the lower resistance and more balanced sound, not least because the mids are more prominent, making the ZS6 even more dynamic. The stage is also wider than its predecessor.

All in all, the KZ ZS6 is currently one of the reference among the countless KZ in-ears!

Handling

By changing from plastic to aluminium, the headphones look very valuable, but this is also at the expense of weight.
The included cables are once again the standard concentration camp cables, which I personally don't like, because they are too fiddly to be fixed over the ear by the memory wire. Under accessories you find alternatives.

But if you have found the perfect fit, you can spend the whole day with them without problems. The silicone attachments are decent, and a suitable size should be available for everyone. But since the size of the headphones is now added to the weight, the ZS6 might not be too comfortable for some people, or even impossible to wear.

Sound

The ZS6 made sure that I listened to almost my entire music library again, always searching for details that had been hidden from me before.

They are very detailed, especially in the trebles, and can elicit many a track that has never been heard before. Admittedly, they have some of the best highs I have ever heard. But with that comes a problem, especially for people who are very sensitive to high frequencies. They have a strong boost of frequencies around 9 kHz. This sometimes causes exaggeratedly sharp trebles, which can become unpleasant from a certain volume on. In addition, these details in the treble do not forgive anything, which is noticeable e.g. with bad MP3s. You hear the compression more than ever.

Compared to the ZS5, the mids are not only improved, but almost perfect despite the V-signature. Vocals and instruments, come out well and impress with their richness of detail. Once again more than amazing for this price!

The basses are in no way inferior to this, you partly have the feeling to have a real small subwoofer in your ear. It really rumbles with the right music style.

All in all, all areas harmonize perfectly with each other, without any one of them coming to the fore. A listening pleasure!

Outro

KZ has taken another step forward with the ZS6 compared to its predecessor.

Great mid-range, paired with differentiated basses that do not overlay despite their power and presence. In addition to the most detailed trebles I've heard so far, the KZ6 plays in a league you couldn't expect for the money. Great work from Knowledge Zenith!

A drop of bitterness remains the too well meant high frequency beyond 9 kHz, which can be painful for some tracks, especially for female voices.
But this should not reduce its overall performance, because the highs are and remain unique.

Add to that a nice wide stage and a convincing separation. You can see that every single driver is able to handle its own little task with bravura.

Legend

Haptic:

Here the processing plays a role and the usability of the scope of supply. Additionally the appearance, wearing comfort and robustness.


Value:
Here I evaluate for me subjectively the price/performance ratio - does not flow into the evaluation!

Z: No Brainer

A: money well spent

B: all right, you can do

C: gives better for less money

D: overpriced

E: collector's price

Daily life:
Here, I focus on the long-term audibility and whether I can hear it well out of the box. This is of course very subjective and therefore only a minimal deduction or bonus. 

(-0.1, 0, +0.1)

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Rating in Letters

S: 9.5 - 10

A: 9.0 - 9.4​

B: 8.0 - 8.9​

C: 7.0 - 7.9

D: 6.0 - 6.9​
E: 5.0 - 5.9​

F: 0.0 - 4.9​

AS06

AS06

ATE

ATE

ED16

ED16

S2

S2

ZS10 Pro

ZS10 Pro

ZS7

ZS7

ZSN PRO X

ZSN PRO X

ZSX

ZSX

AS10

AS10

BA10

BA10

EDX

EDX

Z1

Z1

ZS4

ZS4

ZSA

ZSA

ZSR

ZSR

ASF

ASF

ED12

ED12

ES3

ES3

ZAX

ZAX

ZS5

ZS5

ZSN

ZSN

ZST

ZST

ASX

ASX

ED15

ED15

ES4

ES4

ZS10

ZS10

ZS6

ZS6

ZSN PRO

ZSN PRO

ZST X

ZST X

Second Opinion

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CHI-FIEAR © 2020 by David Hahn

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