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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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About this deal

I tried the KZ AS10 with the following equipment: Topping DX7, Venture Electronics RunAbout 2.0bl, Cayin N5ii, Aune M1s. Source files were standard resolution FLACs for the better part. Though it is useless, I ran break-in for 100 hours. KZ AS10 Now, the shape is not exactly the same as that of the ZS10, but it is instead slightly rounder and smaller. These two facts together afford the ES4 a better fit and therefore make them more comfortable. I used the ES4 for two or three hours at a time and felt just some slight fatigue, which is quite a good result. There’s still some way to go before KZ nails the perfect shape, but we’re getting there. Like the ZS10 before it, the AS10 does not offer a high level of passive isolation from external noise, providing just a bit of reduction in volume and not much more. Using foam tips helps reduce noise a bit, but they can’t replace the isolation that the shells do not offer. 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. The fact that the KZ AS10 is balanced and actually pleasant comes therefore as a surprise. This may be the most interesting IEM made by KZ due to this, despite not having the same technical prowess as other headphones in the line-up.

KZ ES4 Hybrid 1ba 1dd IEM Earphones, HiFi Stereo Sound Wired

I would say that the KZ ZSN are good for most genres; their V-shaped tuning makes them especially apt for modern genres, but it’s up to one’s taste in the end. Yinyoo Pro: I’ve read many people praising these earphones. I think they belong in the trash bin (sorry if I’m a bit harsh with that). The KZ ES4 are better in every possible way, there’s no contest. Let’s face it: while KZ headphones often offer good value, they have never been great soundwise. Yes, they are good… for the price. After many, many headphones plagued by tuning issues, the KZ AS10 are finally balanced and without the spikes and dips that characterise most of the company’s products. No more aggressive upper mids, no more overpowering mid-bass, no more fatiguing treble. This is finally a KZ product that gets tuning right. The irritating thing is that it is more than probably just a chance, as KZ is notorious for using off-the-shelf drivers without any proper tuning work. 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.

Sound & Specs

ES4​ และสายอัพเกรดมา​จาก​ Shopee​ ตามคำแนะนำของเพื่อ​น​ ในราคาแสนถูก​ พอๆกับหูฟังที่ขายตาม​ 7-11 เลยทีเดียว​ 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. The one issue I found with the sound on the ES4 is common to many multi-driver IEMS and that is they sometimes suffer a bit right at or around the crossover frequency where drivers get out of phase with each other. The ES4 can occasionally display this behavior but for the most part this was something you had to be looking for to find and not a major distraction. KZ ZSA: in terms of technicalities, the ZSA are very similar to the ES4: instrument separation is largely comparable, while soundstage appears slightly larger on the ZSA. There’s no clear winner, though. The ZSA have a much more pronounced V shape in their sound, with prominent bass and treble that really stand out. The upper mids spike is way worse on the ZSA than on the ES4.

KZ ES4 | Headphone Reviews and Discussion - Head-Fi.org KZ ES4 | Headphone Reviews and Discussion - Head-Fi.org

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. This and the ED16 are the best KZ mids to date. Whoever at the factory that was supposed to scoop the mids must have had the day off as they are more present in the mix than any other KZ in memory. I still hear the ES4 as a V (and the FR graphs prove that out as the mids are nearly 5db behind the treble and 7-9db behind the bass) but the sound is so well proportioned that it does not listen like a big V but more like a shallow V with a lively presence region. With an EQ you will be able to customize their lower mids and male vocals into absolutely clear and free of mid-bass bleed. Higher mids can be EQ’ed to calm down some of their harshy peaks without getting recessed. 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.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 ES4 - Review | ThePhonograph.net

In​-ear แบบถอดสายได้​ ขั้ว​ 2​ Pin ช่องเสียบตามภาพครับ​ เราสามารถซื้อสายอัพเกรดเปลี่ยนได้​ตามความชอบ​ (แนะนำอย่าถอดเข้าถอดออกบ่อย​ เพราะรูมันจะหลวม)​ Females vocals can get sibilant(yes they can, CardiB went sibilant on Dinero by JLo). They are too sharp, sharper than ZST. But the best part is that you can hear breathe of singers. Noise isolation of the KZ ES4 is highly efficient, with a level of reduction of surrounding noises far stronger than most average earphones. You can set your volume within moderate and they will still provide a near absolute isolation, by cranking the volume just a bit higher the will isolate you completely from noises. Isolation-wise the KZ ZSN are decent, but alas distant from the 26 dB noise reduction touted by the manufacturer. Ambient noise gets reduced by a little bit, but I could not avoid raising the volume while on public transport. Sound & Specs As it is customary for KZ’s latest earphones, the cable is detachable and uses two 0.75 mm pins – so it is compatible with cables such as the AK Audio 4-core 7N copper cable or the Yinyoo 8-core SPC cable. The company claims that the receptacle can last up to 10,000 plug-unplug actions, which would imply a long life for the earphones.

TL;DR: recap

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. Much like most of the latest generation of KZ earphones , the KZ ES4 is a very comfortable earphone to wear and does not generate in-ear pain. The dynamic driver has a 10 mm diameter and KZ says there is a layer of graphene over it – I highly doubt it, since graphene is still not suitable for industrial applications and is confined to research labs around the world. It seems KZ is using the same balanced armature as that on the ES3: the Knowles 30095. They say it is a custom unit and I hope so, as the entry for the 30095 on DigiKey reports a frequency response of 120 – 7,400 Hz, which appears quite disappointing. KZ announced a good few headphones in the last several months, including their new flagship the KZ ZS10. A litte after the ZS10, the company also announced what looks like a directly-derived IEM for a lower price tier: the KZ ES4. Being similar in terms of design and a similar yet simpler driver configuration, the ES4 is indeed better from an acoustic standpoint.

KZ ES4 review: balanced, but not enough - Soundphile Review

I would like to say that KZ finally nailed it with the ES4. Alas, that would not be true. The KZ ES4 is still plagued by a superficial tuning job that does not unchain the true potential of the drivers. This is not to say that it sounds bad, though, as I enjoyed listening to it and I still think this may well be one of the best earphones made by KZ – I consider it way better than the ZS10 in terms of tuning. The sound that leaks out of the KZ ES4 is very low. While listening to music at a moderate volume their sound leaking levels will be imperceptible by nearby people. If you set the volume to the very maximum people next to you will hear a very subdued leakage (if first you do not become deaf by their super strong volume output) KZ ES4 In-Ear ราคา ยังคงเอกลักษณ์และจุดเด่นของแบรนด์เอาไว้อย่างครบถ้วน นั่นก็คือคุณ๓าพเสียงระดับไฮเอนด์ ในราคาระดับเริ่มต้น บอกเลยว่าไม่ทำให้ผิดหวัง เหมาะกับคนที่อยากได้ หูฟัง In-Ear มาใช้งานกับ Smartphone มือถือ หรืออุปกรณ์พกพาต่าง ๆ ด้วยแรงต้านทานที่รุ่นนี้มีไม่มากนักขับได้ง่าย รับคุณภาพย่านเสียงระดับสูงได้ง่าย ๆ ไม่ต้องต่ออะไรมากมาย และผู้ที่มองหาสินค้าที่สวมใส่ได้ง่าย สบายหูเป็นเวลานาน ๆ คล้องหูก็ไม่ระคาย รวมไปถึงชอบอัพเกรด ยิ่งรุ่นนี้นอกจากจะอัพเกรดสายได้แล้วยังอัพเกรดไปเป็นสายแบบ Wireless ได้ด้วย กับราคาเท่านี้ พลาดไม่ได้จริง ๆ รายละเอียดทั่วไป Treble is where the ES4 has a clear advantage over other KZ headphones, as it is a bit more extended and it has a nice resolution which leads to a good perceived level of detail. Now, the thing is it doesn’t hold a candle against headphones that really have good extension and good detail (e.g. Tin Audio T2), but the ES4 can hold its own in its class. Don’t expect anything too fancy; you can hear a good few details, but all the micro-details that often make the difference in telling a really good product from an average one are not there. 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.The KZ ES4 durability is inline with all KZ earphones from the last 2 years – that are built with the same materials. Expect the same rugged and well-built construction of the KZ ZS10, KZ ZST PRO and KZ ED12.

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