Yinyoo KZ ES4 In Ear Stereo Earphones 1DD 1BA Wired Earbuds, Hybrid Drivers 1 Dynamic and 1 Balanced Armature driver Headphone with 3.5mm plug (No mic, Black)

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Tries to get into upper bass register and bleed towards mid, but is now in control due to tenmak tips. It is to punchy and is distinct(I don't like that much punch) but is still maintaining a fundamental tone, so I can tolerate. But on slow, classical or orchestral songs this mid bass is very good. It defines the weight of instruments. KZ opted for their usual V-shaped approach, but this time they finally got it right by avoiding the usual blatant unbalance that plagues most of their headphones. These are still heavily coloured headphones, but at least they’re enjoyable and don’t display excessive peaks or dips.

KZ ES4 is the latest in firm’s growing line-up of hybrid

Living in Glasgow, Scotland but born and raised near Milan, Italy, I got the passion for music listening as a legacy from my father and my grandfather.And today I will be talking about a KZ IEM which shook me completely. Some may think it is a pretty weird review because on KZ thread, it is mentioned to be a treble tamed bass boosted KZ ZST. The ES4 sounds like a downgraded ZS10 in terms of technicalities; instrument separation is good but not exceptional and it can’t withstand complex situations without muffling things up a bit, while soundstage has limited width and imaging can only give you a hint of the instrument’s position. KZ ES4: the ES4 are more balanced and neutral when compared to the ZSN. They offer less bass presence and more treble extension, while keeping the mids front and centre. The ES4 tend to be more detailed throughout the spectrum, and they also have slightly better soundstage width, imaging and instrument separation. They are not as god in terms of speed and control, though, nor are they when it comes to bass extension.

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KZ ZS10: the midrange on the ZS10 is much more recessed and much less balanced; treble, too, is way less present and detailed. It almost feels dull in comparison to the AS10. The only point in common is bass, which is however not as emphasised on the new model. In terms of technical ability, the AS10 win in terms of detail, but the ZS10 are better on the soundstage front. The rest is a tie. Leave a Reply Cancel reply Did you like the review? Let me know! Please note that you should write in English, as comments in other languages will be deleted. Thank you! KZ introduced the new ES4 in-ear headphones a few days ago: they are an evolution of the ES3 which seems to combine the ZS10’s design with the ES3’s simpler components. They are built around one dynamic driver and one balanced armature in a classic hybrid approach. The KZ ES4 belongs to the newest generation of KZ in-ear monitors and shares some design similarities with the KZ ZS10 , like the transparent housings and the characteristic divider board with the KZ logo which can be found inside the rear section of the housings. KZ ED16: the ED16 stand out because of their instrument separation and soundstage, which are way better than those of the ES4. Detail is also better in the treble and bass regions, while in terms of tuning, they have more emphasis on the usual region across midrange and treble. Midrange also pops out more, yet the general impression is not that of better balance. What really prevents the ED16 from being better is the relative unbalance.This new shape is much more typical of higher-end IEMs – though it’s of course not the shape that indicates the positioning of the headphones (as Campfire Audio, among others, taught us). What’s positive about this design choice is that the KZ ZSN are really comfortable, as their shape is kind of neutral to the ears. There are no sharp edges or other similarly polarising features, so it’s easy to find the right position that is comfortable. The relatively small size also helps with this – my girlfriend, whose ears are much smaller than mine, had no trouble in wearing the ZSN and finding the right fit. The KZ ES4 mids have full bodied sound with a warm personality and very crisp higher mids. Lower vocals sound energetic and alive despite a mild presence of mid-bass bleed. If you were not into KZ’s new approach with the tuning of the KZ ZS10, you will be happy to know that the KZ ES4 has KZ’s sound signature that everybody loves. The KZ ES4 has a very strong output and if you crank the volume you will feed their crisp higher mids into some harshness. The KZ ES4 is the newer updated version of the KZ ES3 , inheriting some of their main technical specifications like: dual driver, plastic housings, detachable cables. Shozy Hibiki Mk2: the Hibiki Mk2 are, among the headphones presented in this comparison, the most similar to the AS10 in terms of tuning. There are some key differences, though: the AS10 are more balanced, thanks to more treble presence and better extension; midrange is also less warm, and bass is a bit more controlled. In terms of quality, the AS10 seems to have better detail and better instrument separation, which lead to clearer sound. Soundstage is where the Hibiki win, as they are able to present music in a relatively wide space.