KZ ZST X Review

Relentless “upgrades”

10HzTech
Published in
7 min readAug 31, 2020

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Nobody releases earphones as frequently as KZ does.

Even the past week they probably released one or two of them, and that’s not even counting their sister-brand CCA who also has their own releases. Saturate the market so much that no matter what people look for it’s your product they end up with. It’s a business strategy that’s not possible unless you follow a specific “no R&D, just buy off-the-shelf stuff and paste your sticker on them” mantra that KZ almost pioneered in a sense.

The ZST X is the upgrade to their (very popular) ZST model. The driver config is the same (1DD + 1BA) but the dynamic driver seems to have been upgraded. Also the accessories have seen a nice face-lift without adding much to the price-tag. Let’s see if we can find a budget gem in here.

Note: the ratings given will be subjective to the price tier. Echo from WooEasy was kind enough to send out the review unit. Disclaimer

Sources used: LG G7, iPhone SE

Price, while reviewed: $15. Can be bought from WooEasy AliExpress Store (unaffiliated).

Build: Call it resin, call it plastic — it’s the same old 3D-printed shell that common across approximately 23518 different IEMs. It doesn’t look gaudy unlike certain recent releases and I quite like the bottle-green…

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