KZ KZ - ES3 In-ear Detachable HiFi Earphones


10mm Dynamic and 30095 Balanced Armature Driver Units
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  • 5 Star 78%
  • 4 Star 19%
  • 3 Star 2%
  • 2 Star 0%
  • 1 Star 1%

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Main Features:
● Integrated 10mm dynamic unit and 90035 balanced armatures units, shocking bass and high-fidelity listening experience.
● 20 - 40KHz super wide frequency range, offers board sound field and captures more abundant sound details, immersive sound effect.
● Detachable design, easy to assemble and convenient to maintain, you can replace it as your need, satisfies various demands on lines.
● 3.5mm gold-plated L-bend jack, compatible with the majority of electronic devices, like phones, computer, walkman, MP3 and so on.
● Built-in thin iron wire in cord, you can wear it and hang on your ear so as to avoid falling or dropping while doing sports.
● High definition microphone supports clear and smooth conversation.
● On-cord control, easy to pause / play music, switch songs and answer / refuse call, adjust volume.



Brand: KZ
Function: Answering Phone,Microphone,Song Switching
Material: PC
Model: KZ - ES3
Type: In-Ear

Product Details

Compatible with: Computer,iPhone,iPod,Mobile phone,MP3,PC,Portable Media Player
Connectivity: Wired
Frequency response: 20 - 40KHz
Driver type: Hybrid
Impedance: 10ohms
Plug Type: 3.5mm,L-Bend
Sensitivity: 106db

Dimension and Weight

Package size (L x W x H): 11.50 x 8.50 x 4.50 cm / 4.53 x 3.35 x 1.77 inches
Package weight: 0.0690 kg
Product weight: 0.0200 kg

Package Contents

Package Contents: 1 x Earphones, 2 x Pair of Standby Earbud Tips, 1 x English Manual

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Customer Reviews

4.79 out of 5
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  • Saulo Jonas
    A ''six pack gym guy'' ZST
    Color:Blue and Black Size:with Mic
    Well, here we are wih another great product from KZ.

    Nice white simple package, solid, mature. Now people do not say it costs 10 $ maybe 15$ bucks. Different from previous black boxes (meaning a better, cleaner presentation way <speculators, get off!>).

    For sure, it looks to enjoy even better construction along to proprietary shape this time (not Senn, CA + three other brands borrowed designs). Both b.a. and d.d are quite visible (a small piece of black foam too). These '' aquarium '' styles always get my attention. Pleasant to eyes. No gaps or errors. Although, same old rubbed cable, with mic. Star tips of course.

    Almost same size of ZST however fits better inside the ear, staying fix. Involving, filling whilst not heats or cut the channel sides. Sound isollation could be considered quite effective at least.

    About what matters: I can describe the sound as punchy and clean. Easy to get used and enjoy.

    Tested playing Led Zeppelin, Pink Floyd songs, some blues, country, metal and Bach, Srauss, Andre Rieu for classical (lives and studio recs) with Nokia 501, X1 plus a Acer notebook (with / without EQ - MP3 128/192 / 320 or FLAC 44/16). Common sources.

    There is a lot of bass -good amount - and focus in highs, details -they do not hurt being excessively bright or sparkly. Equalization does not appear to be necessary. When you want it to kick, or shine, the job will be done. The soundstage / transition is pretty much accurate and voices can be heard without any difficulty. Drums, violas, pianos and guitars are certainly good placed.

    A bit more resolved than ZST Color (what includes bass too). Comparing, ZST Color has a more flat response before 400Hz which could translate into less energetic and not so vivid characteristc than this ES3.

    A unbelievable gem under $50 that could cost $500 Trumps? Hum... Do not get me wrong: A consistent earphone for this price range. They worth. If you already own ZST / ZST Pro the ES3 is a useless '' just for fun upgrade ''. Money bags (only) fellings. Unless you have no earbud or wanna skip ZST line. Instead, for further resolution and overall experience I would suggest to save money and get the ZS5, ZS6.
    Just the cable. Buying the silver one is a must.

    Oct 25,2017

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  • murk
    Good bang for the buck IEM.
    Color:Black and Purple Size:with Mic
    Packaging was very nice. Looks high end with the white box. All supposed inclusions are present. The cable was neatly coiled all the silicon buds are present.

    Sound quality is phenomenal (you have to use the ear bud set that fits your ear properly to get the best sound quality). Low ends are quite modest but defined. It also have just the right sub bass. A great improvement for listening experience since my ZST. The highs on the other hand is a bit high to my preference but not really that much of a difference. But on my iPhone 4 it's produced quite a balanced output. Overall the KZ ES3 is I can say a balanced output IEM. And it's authentic KZ.
    The set I got has some kind of rattling sound at moderate volume parts of a song. Sounds like that of a blown plastic driver on ear phones. The mic and play/pause/skip is also hit or miss sometimes it doesn't work at all but my phone LG G3 is known to have problems with the earphone jack so I think the latter is my phone's fault.

    Oct 07,2017

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  • Audio Lord
    Color:Blue and Black Size:without Mic
    Having purchased the KZ-ZSTs earlier and being impressed by them, I saw the new and more powerful ES3s and ordered them, wondering what they might sound like. They took a long time to arrive (I chose recorded delivery which may have added to delivery time and also being near Christmas), but it was well worth the wait! These offer much larger sound and the bass is a monster! So much fun listening to Robert Plant's 'Live from Artists Den’! Full marks to KZ Company for producing such an amazing pair of earphones for a good price.

    Dec 11,2017

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  • Fabi
    ES3 In-ear Earphones
    Color:Blue and Black Size:with Mic
    coming from an audiophile background and after years of working in the industry I can really say that these earphones blew my mind.

    the design is great and even while wearing them they aren't bulky or in the way
    the interchangeable cable is also from nice quality, long enough to comfortably wear them and makes a solid first impression.

    the highs are present and separated,
    the mids are clear and crisp,
    they also have an amazing sub-bass for in ear-earphones especially in this price segment.
    the only con i have (being a bit picky) is:

    the mid-low bass is a bit to strong for my taste but compared to other earphones this is quiet common and i think that the ES3 will please a lot of people with their sound

    overall this Earphones compete easily with the more expensive ones i used, i see no downside on picking them up especially at that price.

    If something should happen with mine I will update the review but i am optimistic that this pair will last me a long time

    Sep 26,2017

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  • anand varma
    Awesome value for money
    Color:Blue and Black Size:with Mic
    I am really impressed by this iem.
    I had kz zs5 which was really good.
    the only issue I had was with the high frequency, it sounded a little piercing on some songs.
    es3 really set that straight. it was smooth with sufficient details. it doesn't have the same amount of detail retrieval as zs5, but it's almost close.
    the fit of es3 is much better compared to zs5. I am not saying zs5 was bad, but es3 is smooth all around.
    I really like these iems.
    the only con I can think of is ear guides. I removed those.

    Nov 26,2017

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  • Great Quality!
    Great one in great price!
    Color:Black and Purple Size:with Mic
    Great sound construction and quality. A great microphone. It works simply perfectly! Very good quality of the wire. It's strong enough and soft at the same time. And do not worry, you can unbend and re-attach it without any worries, the pins are hard and the cable attached to the headphones does not buckle, no slack.ame time. And don,t be worry about detach it, the pins are strong enough,

    May 02,2018

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  • Ali Ramirez
    Amazing headphones
    Color:Blue and Black Size:without Mic
    Really really comfortable despite their big size. Good noise isolation. Nice design. Avobe average soundstage. Really improved bass and highs compared to ZST. Bass is deep and highs are very controlled. Non fatiguing listening experience.
    None at all

    Jan 08,2018

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  • Pawel
    Very good for the price!
    Color:Black and Purple Size:with Mic
    Ordered these for my friend as he loved my KZ-ZST. Similar quality, but more simplistic design. Blue is really nice, mic quality is superb. Also - a very important feature - good soundproofing from the surroundings. Highly recommended! Quality product!
    None at all :)

    Jan 16,2018

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  • Аброржон
    Лучший бюджетный наушник
    Color:Blue and Black Size:with Mic
    ES3 обладают хорошим дизайном и звучанием определенно дороже своей цены. Имеют хороший запас громкости и низких частот. Благодаря качественному изготовлению гарантируют длительный срок эксплуатации.
    отличный бас
    удобство эксплуатации
    функция гарнитуры
    учет анатомических особенностей
    съемный кабель

    Jul 16,2018

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  • Kubilay Kırmızı
    So Cool!
    Color:Blue and Black Size:with Mic
    +Design is excellent
    +Sound quality is nice, basses are ok, midsounds are so good.
    +cable is very nice
    +Horizontal plug
    +Mic is ok
    +Control button
    +Very cool box
    -It is a bit hard to put cable on
    -Over ear cable style, I don't like it

    Dec 08,2017

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