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KZ ZSN Review - These can't be less than $20


These can't be less than $20 was the first thing I thought when I put them on. These punch way above their price bracket and also pack a punch in the bass department but I'll get into the sound in a second. The KZ ZSN is a new IEM from KZ and are one of those hidden gems you have to have. There are some people on audio forms that have bought multiple pairs just to have them that's how much they are liked. Enough with the hype train lets dive into the review.


These are lively sounding IEMs that give that sparkle that sounds very pleasing when listening to music. They have a nice brightness to them without having lots of sibilance or harshness. There were a few times when I noticed some harshness or sibilance in the treble and felt the need to turn it down. Except for those few instances though it sounded great. KZ did great with the Highs with this one by presenting a bright and lively sound without the extreme harshness you normally get, impressive considering its price. 


The mids on the ZSN are actually very well done for a IEM that cost less than $20. They have a nice warm tone to them from a very tiny amount of bass bleed that helps them have a nice tone to the vocals. The ZSN is also impressive in the fact that the mids aren't recessed. Instead they have a slightly more forward sound to them than you normally get with a V shaped IEM which is very nice. The sound stage and image are good but not great just average. The one bad thing was a handful of times when I noticed this weird sharpness and kinda odd sound in the upper mid range and it seems like they have a peak in that region that can mess with the sound very occasionally. Other than the odd sound at the upper mids which didn't happen a lot the mids are excellent for a V shaped IEM especially for this price. 


This is the area that these really shine. Man these are fun to listen to for a bass head. Not only do they manage to pack a big punch they still remain controlled. It really gives you that subwoofer in your head feel but it's not bone rattling. It's just beautiful sounding and impactful without being overbearing. There is a this harmonious balance between the lows and the mid bass that just makes me smile when listening.  

Fit and Quality:

The fit of the ZSN is great they fit in my ears like a glove. I wouldn't say they are the most comfortable I've worn but they are at the top of the list. The Quality is also great the ear tips fit great and the metal plate on the body is a nice premium touch. One thing I will say is unless you really want a different color get the purple ones they come with a nicer copper cable. 


For less than $20 these are unbelievable and can definitely compete with other Chi-Fi IEMs in the $30 or $40 range. I would describe them as an IEM that does everything well across the board but not without one or two small hiccups. Although when you put their price in perspective they are absolutely amazing. If your looking for an IEM on a small budget that delivers nice punchy bass, elevated mids, and bright but not harsh highs this is the one. 

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All reviews are unbiased and all thoughts and opinions are mine and mine only. They are not influenced by outside sources basically if something is crap I'll say it's crap even if it was given to me! If something is provided as a review sample I will disclose that in the review.

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