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🎶 Elevate your sound game — don’t just listen, experience every beat!
The Yinyoo KZ ZST is a premium in-ear monitor featuring a hybrid 1 Balanced Armature + 1 Dynamic Driver setup for high-fidelity sound across 20Hz-40kHz. Designed with ergonomic memory wire and patented silicon tips, it offers superior comfort and noise isolation. Its detachable 3.5mm L-plug cable ensures broad device compatibility and easy upgrades. Perfect for professionals and audiophiles seeking detailed, balanced audio with a stylish purple finish.












| ASIN | B01N0782B3 |
| Age Range Description | Adult |
| Antenna Location | Recording |
| Audio Driver Size | 10 Millimetres |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | 248 in In-Ear Headphones |
| Box Contents | Cable, Ear Cushions |
| Brand | Yinyoo |
| Brand Name | Yinyoo |
| Cable Features | Detachable |
| Colour | Purple |
| Compatible Devices | Different devices with 3.5mm jack and Apple devices like iPod and iPad |
| Control Method | Touch |
| Control Type | Media Control |
| Controller Type | wired |
| Country of Origin | China |
| Customer Package Type | FFP |
| Customer Reviews | 4.2 out of 5 stars 10,118 Reviews |
| Ear placement | In Ear |
| Earpiece Shape | Rounded tips |
| Enclosure Material | Plastic |
| Form factor | In Ear |
| Frequency Range | 20Hz-20KHz |
| Frequency Response | 20000 Hz |
| Headphone Form Factor | In Ear |
| Headphone Jack | 3.5 mm Jack |
| Headphones Ear Placement | In Ear |
| Impedance | 18 Ohms |
| Is Autographed | No |
| Item Weight | 0.02 Kilograms |
| Manufacturer | yinyoo |
| Model Name | Easy KZ ZST |
| Model Number | KZ ZST |
| Network Connectivity Technology | Wired |
| Noise Control | Sound Isolation |
| Noise control | Sound Isolation |
| Number of Items | 1 |
| Product Features | Noise Cancellation, stereo |
| Product Warranty | 1 year |
| Sensitivity | 106 dB |
| Specific Uses For Product | listen to music |
| Style Name | No mic |
| UPC | 611517422164 |
| Unit Count | 1.0 count |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology Type | RF |
N**E
Amazing IEMs at the Price!!!
I've worked my way few a few pairs of IEMs on Amazon & returned them all.... But these are really good for the price & I shall be keeping them. Good mix of bass & high end responses. You might want to upgrade the cable though....
R**O
high quality iem's
ive been using these in ear monitors (iem's) for quite a while now, i like the added bass it has and the general professional sound quality, these have been extremely helpful for checking audio for my friends drumming as i can easily notice the details and adjust the output as needed, highly recommend these even just for daily music or even more professional stuff like playing live on stage, the iems fit well and are comfortable, the cable feels a little bit fragile but ive had no issues while using them, amazing for the price
J**O
Good value for money.
Good Fitting. Only look bulky on the outside. Sound quality is perfect.
D**E
IEM's that live up to the name
These IEM's sound very clear and are impressive value for the quality. They come with 6 pairs of tips (3 White and 3 Black sets, 3 sizes). I use these on my iPod and my PC for video, music and gaming purposes. One thing to note on the PC side of things is that i occasionally had issues with low humming sounds while playing a select number of games. It's been a couple months since i last noticed this (may be one of those random things) This seemed to be down to the electrical noise created in my system while my Graphics card was under load. Switching to front panel audio or using a cheap USB sound card resolved this though i did have to sacrifice a little audio quality. Im yet to test the results with a proper PCI-E sound card but im sure there will be an improvement.
J**.
Very good IEM’s for Bass players
For the price these are a no brainer for bass players, clean sound good bass level comfortable to wear and look durable definitely worth the money
E**K
not working
I bought the headphones but didn’t use them for a while. Yesterday evening, when I tried them, I noticed there was no sound from the right side. I checked with my friend’s headphones and they worked fine, so the problem is with this unit. This was only my second use, and the product is already not working.
J**E
Very poor bass, harsh treble, good build quality
Let's start with the positives, 1. They feel great in the ear very comfortable, they have quite a decent sound stage, better than the airpods I was using previously, (this is using the enhancements built into my OS) If you're on a Samsung version of android, make sure that the dolby atmos and UHQ upscaler are on, and definitely boost the low mids and bass (do this on a separate app) the cable is nice and quiet (doesn't amplify any rubbing between the cable and say a tshirt or a beard) the plastic does feel of a high quality, would say its a marginally worse build quality to something like the shure se215's Now, for the bad. The bass and low mids suck, basically nonexistent, the treble is very sibilant (the S sounds are quite harsh) the mids aren't strong in the slightest, I've boosted 500hz by 3db and there's no punch, even pushing to 6db and it doesn't improve it. Most likely due to a weak bass response. Even with a significant bass boost it doesn't do good. I believe altering the crossover will help this. In conclusion. For £17.99 they are respectable and better than anything I've heard in this price range, they have a similar sound to my sennheiser HD4.40 BT, just 1/4 the price, more comfortable, and smaller. However, I think you'd be better off spending a bit more money on a pair of IEMs with more drivers. I'd like to try the KZ AS16s or ZS 10s before I give a recommendation on what to buy instead of these. If you are on a tight budget, and don't mind tuning the bass and mids to sound a bit more pleasing, and especially for Samsung users who have the enhancements for stereo width built into the samsung version of android OS. I am disappointed with the way these were hyped up to me from recommendations from friends, and musicians on youtube. Edit - after using for around a month I got used to the less present bass, after tuning that is. The 3.5mm jack cable broke when removing from my 3.5mm - 1/4in adapter, on the day after I could return the product.
D**S
In ears
Great sound quality and noise cancelling is good. They’re very comfortable to wear. I’ve used them whilst playing piano and I’ve also used them to listen to music on my phone (you will have to buy an adapter to plug them into your phone, if it doesn’t have a headphone jack).
J**E
It's perfect
Easy fit , perfect sound Just use peace software and know the equalise band
M**A
Almost producer quality, except for somewhat elevated bass. Awesome price. Would buy again!
What I was looking for: After accidentally buying some IEM's without knowing what it was (TNSO) (last picture), I was determined to find another pair. I couldn't get the same ones (went unavailable), and didn't know what to look for. When I finally stumbled upon more, I was plagued with trying to find some that had balanced sound. As someone looking to produce music, I didn't want anything filtered. The best ones actually were cheaper than this but wouldn't be able to hold up more than a few days. Why I chose these: It seemed like I was going to have to settle with some elevated bass. With the reviews as good as any on these, the price, replaceable cord (thought it'd be cheaper to just buy a whole new pair), I decided to get them. Sound Quality & Bass: My ears aren't well trained. But I had some help learning about headphones with balanced sounds, and got recommended some headphones in my budget that many producers use (pretty much only producers from the looks of those reviews). I got them, was testing them out, and pitting them up against these earbuds. I was shocked at how similar the quality was. Only difference is that I could then tell the elevated bass, which this definitely does have. Probably not to the liking of those who want super elevated. While I don't even like it myself, it doesn't bother me with these. So if you want super elevated, these probably aren't for you. But I can say that these might be the most accurate to sound you can get for casual use. Which is what these are for, I use them for casual listening, internet scrolling, and video sharing skype calls with my bestie. I pop the more professional headphones for working. I almost felt bad though for getting the headphones when these were so similar. The elevated bass was definitely a problem, but if not for that, I probably could've gotten away using these for producing too. No joke. But it probably will be better to produce with headphones rather than earbuds. The 3d illusions are more immersive. But truly I think I could just use these had it not been for the bass, I wouldn't have known that before though. Noise Cancelling: I think the noise cancelling on the accidental IEMs were some of the best, people could be talking less than a foot away from me & me not even know they were there until the song ended. I don't think that's happened with these, but I don't have trouble with hearing external noise over them. I don't always listen to loud stuff but I do a lot of scrolling on Instagram, tik tok, or listening to K-pop, which is all pretty full & busy sounds. So I'm good on that. Longevity: I'm over a year in now, got these November 24th 2021 (first 2 pictures), It's November 30th 2022 now (3rd picture). They're holding up good. I think the cord has changed color, the clear plastic, from food stains most likely. I've had no issues with the in ears, and the cord seems like it's doing just fine. It tangles pretty good. It's not hard to untangle but the part that bends over the ears makes it difficult. I don't find that deterring. I think the way these cords are made, are just less likely to have issues. And it's really an unbeatable price for sound quality at $17 when I bought them, even if they only last a year or two. I suspect these will hold up longer than any I've had. Around 2 years has been my max before, and around that 2 year mark I've had duct tape on the cord to hang on a little longer. If I can update in a year, I'll try to do so.
C**O
I mon produit
Très bonne qualité, j’utilise un jeu et pour écouter ma musique je recommande
T**I
Very comfortable and high-quality for a very low price
I don't know how they do it. I've heard a lot of praise for the bang-for-the-buck ratio these earphones are supposed to have and after trying them myself I can only reiterate that praise. They sit very comfortably in your ear, especially the loops that go behind your hear help support the earphones so that they don't need to be seated too deep into your ear. The design is very stylish the sound is immaculate. They are a little more on the bassy side, but that's what you'd what in earphones as it tends to be the area they lack in the most.
T**O
Best value for money
This is so far the best value for money, great sound. The cable is always a hassle. Spend minutes to fix cable before use..... but it is worth it.
Trustpilot
2 weeks ago
2 weeks ago