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4.6 out of 5
92.50% of customers are satisfied
5.0 out of 5 stars Another winner from KZ
KZ (Knowledge Zenith) are well-known for producing inexpensive IEMs which have a good price/performance ratio. Amongst my collection of around 20 IEMs I have four KZ models already, the ED3 (Acme), ED3 (Perfection), HDS1 and HDS3, all of which are excellent.This ZST IEM is one of the newer models from KZ from their “Z” range of over-the-ear types. It is also their first hybrid model, employing a 10mm dynamic driver for the bass and midrange, and a balanced armature for the treble. Dynamic drivers are praised for their bass quality and punch and often display a warmer sound, whereas balanced armatures have a more delicate and detailed presentation and are perfect for high frequencies. The trick is to integrate these two technologies and produce a balanced sound.The earphones come simply, but attractively boxed. They are presented in a black plastic tray below which you will find the detachable 2-pin cable and two further sets of silicone eartips. The earpieces themselves are made from a clear, light, hard plastic which seems to be of good quality. They have a faux carbon fibre effect printed on them with “ZST” in a handwritten script font.The cable is a typical KZ type, similar to that found on the ED3 and HDS1, with a transparent greyish rubbery covering through which you can see the braided copper wires. A short section of the cable close to the earpieces is made of a kind of memory wire which helps to shape the cable when worn behind the ear. I would have liked to see a clearer indication of the left and right channels, perhaps they could be colour coded. The cables proved slightly tricky to attach, a fair amount of force being required, but once fitted they remained in place securely. I had no issues obtaining a good comfortable fit and seal with the pre-fitted tips. Being worn behind the ear, the cables did not produce any microphonic behaviour.The earphones were run for 48 hours including some audio tracks of white and pink noise in order to burn in the components. Before listening I ran the Densen Demagnetiser track which uses a special audio algorithm to remove residual magnetic fields. I also ran the Ayre Full Glide Tone which has a similar effect.Auditioning was done using a Hifi Walker H2 DAP via line out with a Fiio L16 cable and a Fiio A5 headphone amplifier, set at low gain, with volume at around 33%. I tested the earphones with a wide range of material across various genres. The first thing I noticed was how natural and well-balanced the sound was, with no part of the spectrum unduly emphasised. The dynamic bass driver has been voiced with a clean, somewhat analytical sound signature, which blends well with the balanced armature. As a result, classical music fared particularly well.“The Swan of Tuonela” by Sibelius, performed by the London Festival Orchestra conducted by Alexander Gibson begins with deep basses and brass. This came over beautifully with an excellent soundstage, both deep and wide. The placement of the various orchestral sections was easy to discern. The sound reached well into the sub-bass with the bass drums having wonderful depth. At no time did the bass dominate the midrange, which was open and airy. Treble had the requisite amount of bite without being harsh, with brass and strings being clear and detailed. The transition between the two drivers was inaudible, with no indication of the crossover frequency.“Asturias” from the “Suite Espanola” by Albeniz, performed by the New Philharmonia under Rafael Fruhbeck de Burgos, showed great impact and drive. Strings were smooth yet with character, brass shimmered and had plenty of attack. Bass drums and timpani came across with slam and precision. A lovely performance.Ambient and electronic music also sounded superb. “Hands of Sacred Light” by Patrick Bernard’s beautiful album “Angel Reiki” displayed plenty of detail and texture, which is ideal for this kind of music. The soundstage was three-dimensional with a perfect balance between the deep bass tones and the clean harp-like textures.“Siren’s Song” from “Archives 2” by MIDI guitar maestro Mark Dwane, is a fast- paced electronic piece with a powerful rhythmic bass line. This was reproduced with no blurring between the bass notes and a punchy, agile rhythm. The female vocals layered over the top were clear and incisive. Electronic sound effects came over cleanly and precisely.The moody atmosphere of Chris Izaak’s “Wicked Game” was portrayed wonderfully. All the emotion of his voice was preserved. Bass guitar and percussion had great texture while the distinctive tones of the lead guitar floated over the top impressively, leading to a very enjoyable experience.I also tried the ZSTs with some high-res FLAC files. Beethoven’s Moonlight Sonata in a 96KHz 24-bit recording sounded very good. The decay of notes, the accurate reproduction of overtones and the natural timbre of the piano were very impressive. Background noise was non-existent and the transient response was excellent.These KZ ZST earphones represent great value. They are well-balanced, with a slight emphasis on the upper register, which adds life and sparkle. The bass is clean and precise with no bloating or bleed into the midrange. The overall effect is analytical, yet musical and enjoyable. Fed with high quality recordings from a good source, they are capable of very high quality reproduction, which at this price is remarkable. In addition, the detachable cables offer the chance to upgrade the sound (silver plated cables are available). They deserve an unreserved recommendation. The seller, Yinyoo, also deserves a mention for excellent service and friendly helpful communication.
5.0 out of 5 stars Stylish,comfortable,my 2nd pair
LOVE these earphones soo much infact that these are my second pair! They act like sound cancelling earphones when yulou are wearing them and the sound quality is great. Fit perfectly in my odd ears so very happy with them and these updated ones have a mic bit so I can pause what I'm listening to really easily. They look great and come in a little box that doesn't take up too much space. 100% recommend.
4.0 out of 5 stars A great value headphone with nice detailed mid's. Definitely look at these if you're looking for earphones under £40
Equipment used to evaluateJDS Labs EL DACEpiphany Acoustics EHP O2 AmplifierReplacement ear-tips as I prefer memory foam ear-tips as they provide a better sealSome of the songs used to test itD’Angelo - Brown Sugar AlbumKaytranada - GirlBrent Faiyaz – Gang over luvMaribou State – StealHans Zimmer – Main Theme (From The Dark Knight Rises) – Handles this song very well although again those highs can be fatiguing when the violins really start to kick inHans Zimmer – Time (From Inception)Sampha – Blood on MeWoodkid – Run Boy RunWoodkid – Iron – The track opens with sumptuous and grand trumpets which sound accurate then move to the drums these have a lovely timbre, next the vocals with plenty of clarity and finally we see them all combine, unfortunately, this is where these headphones struggle the harshness and lack of sub-bass cause the drums to be lost under a veil. Still very listenable and enjoyable however just not perfect.Jimi Hendrix – All Along The WatchtowerKings of Leon – Closer – harshness in some of the vocalsFour Tet – Two thousand and SeventeenGeorge Fitzgerald – Call it Love – Bass sounds great however the midrange and treble harshness creeps in making it at times unpleasant to listen to at higher volumesGeorge Fitzgerald – About time – As the track opens your met with underwhelming bass, it’s present but not at the level you would like, as the track progresses the detailed lower mid’s kick in and the headphones start to shineASAP Rocky - F' Problems – Bass is clear and not muddy, but the lack of sub bass is apparent. Vocals are clear and detailed.Massive Attack – Teardrops - at 4:18 I want the bass to go reach deep into my soul, but it just doesn’t quite get there it’s a slight disappointment because you know it’s ever so close.Massive Attack – AngelJames Blake – Retrograde – This track can be sibilant and harsh at points but again very listenable.In the boxYou receive a small box which contains the two units, cable silicone ear tips and that’s it.BuildNothing to write home about these are your standard plastic housings with an unpleasant silicone cable with memory wire next to the connectors (for those that don’t know it’s a wire which can be formed in a shape and it stays in that shape), although this detachable so can be easily replaced. These come in two colours I chose the slightly more muted faux carbon fibre variation, however, for those who like a bit more colour, there are the super bright pink and purple variations.ComfortExtremely comfortable and could use them for hours without needing a rest.SoundBass - Decent bass which helps these to produce an overall fun sound, although I would not call these a bass head headphone as the main issue lies in the lack of rumbling sub bass especially when you compare them to the superior RevoNext RN-QT2.Midrange - is extremely detailed and generally very crisp and clear vocals but at times can be very harsh, dependent on the song. Strangely I found certain drums especially snare drums give off a very unappealing snap. In generalTreble – In general, I would say the treble is sharp and crisp however much like the midrange can be harsh and fatiguing, so much so that certain tracks were close to unlistenable specifically anything with very high pitched female vocals. Strangely I was able to listen to Hans Zimmer – Main Theme (From The Dark Knight Rises) without changing headphones or track, even though the violins were on the borderline of unpleasantness.SoundstageI would describe the soundstage as relatively forward sounding especially when compared to the RevoNext RN-QT2 which are some of the most natural and laid back in-ears I own. I would say there is a good level of separationConclusionThe KZ ZST is a great headphone for anyone who’s looking for budget headphones with detail and bass. The overall sound is in your face (or ears) which for some will be great, for me they are just too forward sounding to be part of my daily use headphones. The most undesirable aspect of these earphones is the treble and upper mid peaks which can make them fatiguing and unpleasant for long listens. I understand other people’s mileage may vary as I am very aware that I am sensitive to treble. Still, these are excellent value for money the headphones I have compared them to are double the price but probably only 50% better.
Great sound but the cable has issues.
I enjoyed them for about 6-7 months. The sound is still good but the cable has stiffened up to the point I can hold up them horizontal with just the cable. This wouldn't be so much a problem but the cable is twisted so whenever I move I now hear a zipper sound as they drag across each other.
Att vara snabb
Fin produkter
Muy bien por el precio que tienen
Los compré para usar como auriculares baratos, y para el tren y la oficina van muy bien. Lo único malo es que son muy noise canceling y ahora no me entero de los cotilleos de la oficina.La foto es de como están después de un mes de uso.Hago update un par de meses más tarde, los he ido comparando con otros auriculares baratos y realmente por este precio no he escuchado nada mejor, realmente han sido una muy buena compra. Tienen un sonido muy balanceado y nítido comparado con otros auriculares baratos. Lo único malo que tengo que decir es que las almohadillas se me han ido soltando y perdiendo y al poner unas de repuesto ya no es tan cómodo como era al principio.
Niks mis mee
Goed geluid. Even wennen aan de manier van dragen met de draad over de oren. Goed gemaakt headsteje
Hi Fi come promesso
Senza dubbio le cuffie cablate con la migliore fedeltà che abbia (ho akg e presonus over ear, oltre a aver provato earpods e airpods).IMPORTANTE: è necessario che siano inserite bene nelle orecchie, altrimenti suonano come gli auricolari usa e getta da turismo. Se non si usano i gommini appropriati, muovendosi si spostano e perdono ovviamente la qualità.Sono utilizzabili addirittura come “monitor” per i sound set (non professionali ovviamente).
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Yinyoo HiFi Headset KZ ZST Colorful Hybrid Banlance Armature with Dynamic in-Ear Earphone Stereo Headphone Earbuds (No mic, Purple)
BHD14957
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Product origin: United Kingdom
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