Thumbs Down – Music For The Masses https://www.audioreviews.org Music For The Masses Mon, 21 Mar 2022 22:45:40 +0000 en-US hourly 1 https://wordpress.org/?v=6.5.2 https://www.audioreviews.org/wp-content/uploads/2023/01/cropped-audioreviews.org-rd-no-bkgrd-1-32x32.png Thumbs Down – Music For The Masses https://www.audioreviews.org 32 32 TIN T5 Review – Faux Pas https://www.audioreviews.org/tin-t5-review-ap/ https://www.audioreviews.org/tin-t5-review-ap/#respond Fri, 11 Jun 2021 04:00:00 +0000 https://www.audioreviews.org/?p=40864 TIN T5 is in my opinion a faux pas in the otherwise mostly positive T-series.

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Today we talk about the lastet iteration of TIN HIFI’s “T” series, called TIN T5.

At-a-glance Card

PROsCONs
Commendable soundstage. Slow, b[l]oomy bass.
Quite easy to drive. Lean mids.
Easy fit, very good comfort and above average isolation.Below average on imaging and details.
Sibilance risk on high mids
Low value

Full Device Card

Test setup

Sources: Apogee Groove / Questyle QP1R / Sony NW-A55 mrWalkman – Final-E white tips – Stock cable – lossless 16-24/44.1-192 FLAC tracks.

Signature analysis

TonalityTIN T5’s timbre is quite dry and lean-ish, excpted for boomy bass. Tonality is a warmish W, with an invasive midbass and occasional artificial aftertastes in the trebles.
Sub-BassExtended all the way and quite present too, this segment is OK
Mid BassOn the slow side, too bloomy in general, scarcely articulated, and boomy, invasive whenever a hit lands onto the kick-drum (or equivalent).
MidsUnrecessed but most of all lean, almost thin. Their higher segment succeeds in not being shouty but by a narrow edge, while it does go sibilant more often then not.
Male VocalsQuite hollow, and unstructured
Female VocalsNot a masterpiece but a bit better than males. Sibilance is their primary failure risk
HighsTIN T5’s trebles are strange insofar as they are generally polished and “educated”, but with an incoherent tendence to get splashy on some tracks. Not enough brilliance or air is present to make them really engaging

Technicalities

SoundstageExpansive especially in the sense of width and height, with decent depth too. Probably the single best feature of the product
ImagingBelow average considering the price tag.
DetailsMidbass b[l]ommyness covers details down there. Mids are too lean and unbodied in the first place to offer good vocal details either. Some hint of detail is finally delivered in the highmids and Presence.
Instrument separationGood, where not screwed by the midbass bloom – which is often the case on many genres. Layering is anyhow appreciable
DriveabilityNo problem with any of my sources, but I guess there won’t be with lower end ones either: TIN T5 features uncommonly (for an IEM) high impedance and decent sensitivity.

Physicals

BuildFull metal structure and recessed (read protected) cable connectors offer convincing durability
FitQuite big in size but very well shaped, TIN T5’s housings fit my ears almost perfectly. Nozzles are also decently long so there’s no induced instability issue nor any need to push them in too much.
ComfortVery comfortable as a consequence of a very natural fit
IsolationTIN T5 offer me above average isolation due to their housings filling my concha properly, and with no stress on my tragus
CableThe stock cable is a base-quality 4-core OFC which sonically does its job properly. The sheat is a tad too stiff for my taste but that’s a detail. A word of mention is in order about the 2pin receptacles which are seriously recessed and make most third party 2pin male connectors inadequate to take over.

Specifications (declared)

HousingAviation grade aluminum housings
Driver(s)10mm DOC dynamic driver
Connector2pin 0.78mm
Cable4 core Oxygen-free copper with 3.5mm single ended termination
Sensitivity103 dB
Impedance48 Ω
Frequency Range10-20000Hz
Package and accessoriesLeatherette carry case, spare nozzle mesh filters, cleaning brush, 1 pair of foam tips, 1 set of S/M/L narrow bore silicon tips, 1 set of S/M/L wid(er) bore silicon tips
MSRP at this post time$139,00 ($119 street price)

A new driver technology

TIN HIFI claims to have developed a new iteration in carbon-based dynamic driver technology, named “DOC”.

In the recent few years, DLC (Diamond-Like Carbon) dynamic drivers have been popular for their fast responsiveness, achieved by their carbon material. From this foundation, Tin Hifi has engineered the next innovation in dynamic driver technology. The new 10mm DOC driver features an enhanced molecular carbon atom structure and composition that more closely mirrors that of diamond. The new structural design allows the DOC diaphragm to be thinner, while being 60% stronger and more rigid than that of traditional DLC diaphragms. Furthermore, due the closer proximity of the carbon atoms to each other, the DOC driver is 5 times harder than that of typical ceramic diaphragms. 

Moreover, the physical properties of the DOC diamond diaphragm will not change even after many years of use. This feature has a great effect on the heat dissipation of the voice coil. Additional benefits of the DOC includes: 

1. The DOC diamond diaphragm unit can achieve a complete linear frequency response, achieving detailed and excellent broadband and instant response, and strong dynamic contrast.

2. The DOC diamond diaphragm unit can push the split vibration frequency to a higher level, and the T5 can cover an unimaginable bandwidth range to ensure that the ideal frequency response is obtained in the two end frequency bands audible to the human ear.

 3. The frequency linearity that the DOC diaphragm provides allows the mid-frequency to be completely coherent with the bass and the treble, creating a transparency in the texture and sound balance, while minimizing phase offsets. 

In short, the T5 achieves an immensely punchy bass response that is combined with extremely well-extended and detailed ultra-high frequencies. The textural properties of its sound is characterized by a cohesive smoothness, linearity, and transparency across the frequency spectrum. The DOC driver is an innovation that is just as audible as it is industry-leading.

https://www.tinhifi.com/products/tinhifi-t5?fbclid=IwAR0AofV1gqTut_O8bJB8HqhgL5gS0hyk4tEIc6ikg95zHwdXZIT_JIZXeT8

We all obviously are keen on new technologies improving audio rendering and TIN’s research is an interesting step in this direction.

Based in my audition, and reading through the marketing jargon, I could verify points 1. (good dynamic contrast) and 2. (good bilateral extension), while point 3. (choerence and texture transparency) is actually where T5 falls short. I’m keen on thinking this will be taken care of in a further TIN model, again based on such new “DOC” driver.

Conclusions

TIN T5 is in my opinion a faux pas in the otherwise mostly positive T-series. Both models I assessed prior to this one (T4 and T2+) offer better overall sound quality and value, with soundstage amplitude being T5’s sole edge vs its older siblings.

A generous-sized and drawn stage, and a great physical housing design granting superb fitting and comfort are anyhow not enough to compensate for lack of refinement in most segments of the spectrum, and a price tag which puts TIN T5 in direct competition with solidly established battleships (final E4000, anyone?).

Disclaimer

This TIN T5 sample has been kindly made available by TIN HIFI. You can purchase it here.

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KZ ASF 5-BA Earphone Full Review – Disaster https://www.audioreviews.org/kz-asf-review-kmmbd/ https://www.audioreviews.org/kz-asf-review-kmmbd/#comments Mon, 09 Nov 2020 15:26:45 +0000 https://www.audioreviews.org/?p=28357 The BL-05S is the second BLON earphone that I can recommend without reservation. It’s earned that medal.

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Pros — Well built, comfortable shell
– Accessories are good enough to not look for replacements
– Gets loud quite easily (I’ve run out of good things to say at this point)

Cons — Generally awful sound
– Flabby bass with zero definition, texture, and extension
– Completely wrong timbre
– Nasal/honky midrange
– Lower-treble peak can get fatiguing depending on genre
– Low-resolution sound with atrociously poor treble

INTRODUCTION

I will cut to the chase with this one.

KZ ASF is an IEM I cannot recommend under any circumstances. KZ usually gets things somewhat right but this is a turd that you can’t polish, and anyone who tells me otherwise will only get a stern stare filled with disappointment and disbelief.

KZ ASF is one of the new/refreshed models from KZ and apparently it replaces the AS10… or something like that among the dizzying array of IEMs they’ve released over the past three years. It almost feels like eternity, but I digress. The ASF is supposed to have a soothing sound without the trademark peaky KZ treble. In a sense, it has succeeded in that, but the solution was more like lopping the head off than cure the headache.

Extremities, man.

Note: the ratings given will be subjective to the price tier. WooEasy Store was kind enough to send the KZ ASF as a review unit. Disclaimer.

Sources used: Sony A55

Price (while reviewed): $60

PHYSICAL THINGS AND USABILITY

IN THE BOX…

The tips are decent (it’s a new variant, not the Starlines), the cable is decent, and as always KZ doesn’t find you worthy enough to throw in a carrying case or, *shudders*, pouch! But hey, we’re not getting this for silly ornaments, so we can look past that I guess.
3/5

APPEARANCE, HAPTIC, AND BUILD QUALITY

Yet-Another-Resin-Shell (YARS) makes an appearance again. The backplate of the KZ ASF is of aluminum (it seems) with some nice adornments on top. The nozzle is metal but be aware that it’s thinner (past the lip) than previous KZ offerings so some third-party tips may not fit snugly (Spinfit CP-100 for one).

The 2-pin ports are raised which sucks. Other than that, the KZ ASF shell quality and finish is adequate for the price-range. One thing that sticks out is the lack of any channel marking, even though KZ found the space for printing random text on the housing instead of something that’s more practical but hey… logic is at premium sometimes.
4/5

ERGONOMICS, COMFORT, ISOLATION, AND FIT

Despite the bulbous shape and larger-than-average housing the KZ ASF is fairly comfortable to wear. There is no driver flex as it’s an all-BA design and isolation is above-average. However, I can imagine someone with small ear-canals to have some potential fit issues but this likely won’t be widespread.
4/5

TECH INSIDE

The KZ ASF is a 5-balanced armature design with the newly released “S” models of the previous Bellsing/Knowles-clone BA drivers they were using. These drivers are apparently a new design and has improved things by a margin as per the claims. The bass driver (22955s) is apparently a vented design, though I didn’t see any bass-vent in the shell itself so I am doubtful about the proper implementation of the driver here. There is one mid-range driver (29689s), two upper-mid/lower-treble driver (31736s), and lastly one upper-treble driver (30095s). The drivers are arranged within a 3D-printed driver housing though there is no physical cross-over via tubing. KZ claims they put a lot of R&D effort behind this but the end results are hardly inspiring as we shall see.

The general sound signature of the KZ ASF is dark, with extremely rolled-off treble. The mids are overly scooped and upper-mids are too de-emphasized so there’s a severe lack of pinna gain. A dark v-shaped tuning is very hard to pull-off and KZ ASF fails spectacularly to pull off the trick.

The following impressions were made with the stock tips and cable.

Lows: Muddy, bloated, messy, flabby – pick your word. The low-end lacks sub-bass rumble and the extension is only a hum that has no definition or texture to it. The mid-bass boost also masks the subtle bass note shifts and there’s an utter lack of bass kick/slam. The bass is beyond disappointing, really, and I suspect that failure to vent a vented BA has resulted in this mess.

It’s just horrible. One listen and you’d know things are gonna go downhill.
1.5/5

Mids: The KZ ASF has a very strange midrange tuning. The lower-mids are scooped below 1KHz, but then there is a very sharp rise which peaks at 2KHz. This peak, however, isn’t enough here as there is a distinct lack of clarity. Female vocals are muffled, male vocals are nasal and honky. Nothing sounds right, midrange instruments are congested, their outlines blurred.

Resolved details in the mid frequencies are worse than some $10 IEMs nowadays. It’s incredible really how wrong things have gone here. If you thought the bass was poor, this whack mid-range tuning makes that look competent in comparison.
1/5

Treble: There is no treble extension at all. None. Nada. Zilch. Zip.

Cymbal strikes and hi-hats are barely registered. They are not just after-thoughts, they’re almost like aberrations that wasn’t even meant to be there but somehow spilled through the cracks. Even the most hardcore of metal tracks sound mushy, gushy, soggy as the sock after you accidentally step into a puddle.

There is a strange lower-treble peak around 5KHz that adds some presence but on some tracks this strange peak can induce fatigue and of course it’s just a straight downslope from there on. The treble doesn’t do much wrong because it doesn’t even exist, a bit like the second eye of cyclops.
0.5/5

Soundstage: Soundstage feels wide due to the de-emphasized upper-mids but there’s zero stage depth and height.
2/5

Imaging: Things are mostly placed left and right but there’s no sense of finer imaging. At this point, I have lost my hope anyway.
2/5

Bang-for-Buck: The KZ ASF will find itself short of the competition at $15.

It costs $60. Unless you want to use it as a modern art-piece (it’s not), a paper-weight (heavier things available for no cost), or something you gift to your enemies to piss them off – I can’t see the value in here.
0/5

Source and Amping: It gets very loud out of even regular phones and cheap dongles. Is that a good thing? Well, let’s assume for once it is.

SELECT COMPARISONS

vs BLON BL-03 ($25)The BLON BL-03 is much better than the KZ ASF in every single aspect apart from accessories and comfort.

vs BLON BL-05S ($35)The BLON BL-05S is much better than the KZ ASF in every single aspect apart from accessories and comfort.

vs Final E3000 ($50)The Final E3000 is much better than the KZ ASF in every single aspect.

vs Final E1000 ($30): The Final E1000 is much better than the KZ ASF in every single aspect.

CONCLUDING REMARKS

The KZ ASF brings back nostalgia. It’s almost as if I’m listening to a no-name multi-BA IEM from 2014 bought off of Taobao, but only it costs $60 this time around instead of $6 and I’m left regretting my life choices.

Dear KZ, you have the resources, you have the capital, please oh please make use of them on something that is actually great. Not another derivative, or as is the case with the KZ ASF – not another disasterpiece.

Your fans deserve better, and you sure as heck should do a lot better.

MY VERDICT

Overall Rating: 1/5

thumbs down
Absolutely not Recommended. Save your money.

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DISCLAIMER

WooEasy Store was kind enough to send the KZ ASF as a review unit.

Can be purchased from WooEasy Store.

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PHOTOGRAPHY

KZ ASF
KZ ASF
KZ ASF

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CCA CA16 Review (2) And Second Opinion – More Is Less https://www.audioreviews.org/cca-ca16-review-lj/ https://www.audioreviews.org/cca-ca16-review-lj/#respond Sun, 06 Sep 2020 19:30:58 +0000 https://www.audioreviews.org/?p=23903 These seem to have been tuned for maximum inoffensiveness, but simply sound off; like Bose speakers, they’re mostly midrange, without visceral highs and lows.

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The CCA CA16, the company’s 16-driver flagship (nominally $80, though it seems to have been marked down to $60) looks and feels like a cheaper piece, with plastic housings and visible seams. Bulbous, protruding shells are light and reasonably comfortable, though seal and isolation are average at best. I found these fairly inefficient and hard to power from my LG.

The CCA CA16 seem to be going for a laid-back, balanced stage monitor type of sound, but miss by a wide mark. Tonality is on the warm side of neutral, with an overall lack of sizzle and drive; soundstage is wide but shallow; like most KZ products there’s sufficient space between instruments but placement is odd, as if the performers are all several feet behind the front stage. 

Dialed-down, amorphous low end lacks depth, punch and definition; mids are recessed but have good texture and are smooth, but tend to be veiled by the blobby bass, and resolution is substandard. Treble is likewise smooth, but rolls off sharply; details and extension are lacking. Drumheads, in particular, are muted and sound more like cardboard than canvas; sparkle is missing from guitar strings and piano keys. The CCA CA16 is coherent overall, other than a conspicuous dip in the 80-200hz region, but it’s hard to gauge just what all those drivers are doing.

These seem to have been tuned for maximum inoffensiveness, but simply sound off; like Bose speakers, they’re mostly midrange, without visceral highs and lows. Especially coming off the unexpectedly amazin’, $23 TRN-STM, not to mention CCA’s own well-tuned, refined $40 C10, this one seems rushed off the lab bench.

MY VERDICT

thumbs down

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Borrowed and swiftly returned.

Get the CCA CA16 at Wooeasy Earphones Store.

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HIDIZS MS1 Rainbow Review (2) – Second Opinion https://www.audioreviews.org/hidizs-ms1-rainbow-review-lj/ https://www.audioreviews.org/hidizs-ms1-rainbow-review-lj/#respond Sun, 05 Jul 2020 17:31:17 +0000 https://www.audioreviews.org/?p=22078 Hmmmmmm...

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Durwood touted the Hidizs MS1 Rainbow to me after a few drinks on my porch; after listening to them with the narrow bore tips they were so bass-heavy, boomy and incoherent that I feared he had been overserved. Switching to the wide bore tips, however, radically changed the signature from an aggressive L-shape to a less adrenalized, more palatable V-shape, with noticeably less bass emphasis and better overall clarity. Even so, low end remains loose and somewhat shapeless, which tends to obscure the mids. Treble is bright and sparkly, well-extended and presents considerable detail, although rather harsh and artificial-sounding, especially on percussion and electric guitars.  The MS1 does present a wide, rounded soundstage although, again, the amorphous bass tends to obscure the placement of specific instruments. 

Here our other review of the Hidizs MS1 Rainbow.

I was surprised at the $69 SRP–on the basis of sonic merit and (plastic) build I would have guessed these were a $20 phone, although <$20 phones like the KZ ZSN or Senfer DT6 are much better tuned, while <$50 models from BQEYZ and TRN leave these in the dust in terms of refinement, timbre and coherence. Thumbs/earlobes down.

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DISCLAIMER

These were loaned to me for my probably unwelcome opinion.

Tested at $69. Get them from HifiGo.

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About my measurements.

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BCD X10 Review – Nicht Gut https://www.audioreviews.org/bcd-x10-review/ https://www.audioreviews.org/bcd-x10-review/#comments Sun, 17 Nov 2019 07:01:17 +0000 https://www.audioreviews.org/?p=11447 Here you get it: not all Chi-Fi is fantastic...which includes these nifty micro drivers.

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I really wanted to like these >$20 replicants of the supremely comfortable and stylish (if overpriced and sonically underwhelming Klipsch X10), but even if the magical land of Chifi you sometimes get what you pay for. Tonality is, to put it generously, “warm,” or to put it accurately, hazy—there’s a veil across the entire presentation which makes drumbeats sound like a pillow fight and vocals and guitar distant and unnatural. V-shaped, with wooly, poorly-sculpted bass bleeding profusely into the recessed mids and smooth but blurry lowend. These do present a wide soundstage, though the lowend smearing muddles the imaging considerably.

Frequency respond BCD X10
FR graph by Durwood.

Compared to ultra-budget stars like the EZ Audio D4 or Tennmak Dulcimer, the BCD sound almost like dollar store buds. I’ve read some qualifiedly favorable reviews of these, and I could see where they would have some appeal to extremely treble-averse folks or sleepers—they’re inoffensive at very low volumes and I do love the form factor—but even at the why-not tariff you’re better off buying a few more beers.

Disclaimer: Loaner from Durwood.

You find an INDEX of all our earphone reviews HERE.

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KZ ZS10 Review: Big Trees – Small Forest! https://www.audioreviews.org/kz-zs10-big-trees-small-forest/ https://www.audioreviews.org/kz-zs10-big-trees-small-forest/#respond Fri, 27 Apr 2018 07:50:23 +0000 https://www.audioreviews.org/?p=178 Pros — Outstanding clarity, image size, and resolution; great value for money Cons — Recessed mids; muddy bass; lack of homogeneity

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Pros — Outstanding clarity, image size, and resolution; great value for money

Cons — Recessed mids; muddy bass; lack of homogeneity and coherence; huge earpieces with short nozzles may cause fit issues

EXECUTIVE SUMMARY

The KZ ZS10 is Knowledge Zenith’s most technically advanced earphone at the time of its release. It excels in terms of resolution and clarity but falls short in the midrange and bass departments. It does not deliver a homogeneous enough sound and also not a non-fatiguing listening experience to me for justifying a full score. Many will prefer the similar but more balanced sounding (and also recent) ZSR model.

DISCLAIMER

I thank my friend and neighbour for performing all measurements. The ZS10 was purchased on sale for $33–34 from Aliexpress.

As to the evaluation: I don’t like the stars scheme as it is somewhat ambiguous and therefore meaningless so long as the evaluation criteria are undefined. How do two 5 star earphones compare, when one is, let’s say, $30 and the other is $300. My numeric judgement is therefore reluctant. It is also strict owing to the fact that KZ pumps out new models like rabbits.

INTRODUCTION

Knowledge Zenith (“KZ”) has gained a large following over the past few years by offering a series of well-made, good-sounding and good-looking earphones at very reasonable prices. Around mid 2017, they released their first four-driver hybrid earphone in the ZS5 v1 (2 dynamic drivers “DD” + 2 balanced armature drivers “BA”) that was somewhat marred by source sensitivity. This was followed by the four-driver ZS6 (2 DD + 2BA), an optical clone of the pricy Campfire Andromeda. This stunt generated much attention for both KZ and Campfire alike. A three-driver earphone the ZSR (1 DD + 2BA), followed suit in early 2018 and has probably been the most critically acclaimed of the bunch.

SPECIFICATIONS

  • Cable length: 1.2m
  • Connectivity: Wired
  • Driver unit: 10 mm dynamic driver plus 4 balanced armature drivers
  • Frequency response: 7Hz – 40KHz
  • Impedance: 32ohms
  • Sensitivity: 104dB
  • Price: $38–45

PACKAGING AND ACCESSORIES

The content of the white box is as spartanic as this paragraph. 2 earpieces, 3 pairs of “starline” tips (S, M, L) and a 2-pin cable.

PHYSICAL APPEARANCE, HAPTIC, AND BUILD QUALITY

The ZS10 is the first KZ earphone that comes with a braided cable, which is less prone to “microphonics” than their previous rubbery fare…but it tangles up much easier. I chose the one with a one-button remote incl. microphone that works fine with Apple and Android devices alike. The earpieces are made of robust, transparent plastic and are at least as good a quality as the ones of the much more expensive UE900S. No complaints here.

ERGONOMICS, COMFORT, ISOLATION, AND FIT

The earpieces are big, really big (my friend looked like his own grandfather with 1980s hearing aids). And the nozzles are rather short – so fit may be a problem for some. Owing to its design, the vents may be covered up by some ears more than by others – which may causes differences in perceived bass volume.

I personally had no problems with fit. The earpieces sat comfortably in my ears for hours. Isolation was ok, and the sound does not bleed (much) to bystanders…or your partner who wants to fall asleep next to you.

SOURCE AND EARTIPS

I used the iPhone 5S with or without the audioquest dragonfly 1.5 black or the FiiO E12 Montblanc portable amplifier. I sometimes used my iMac or MacBook Air, but never without the dragonfly or the original Schiit Fulla dongle amplifier. The large included tips worked well for me.

TONALITY

The ZS10 has the most prominent V-shape of all recent KZ hybrids (ZS5, ZS6, ZSR), which is confirmed by the superimposed frequency response curves. Its image is huge and transparent; resolution, detail, and clarity are outstanding. This results in a great spatial representation, layering, and instrument separation, which can be tainted by a strong bass overlay. Soundstage is accurate but not the biggest around.

The bass is prominent and full, and it can be boomy at higher volumes depending on source (the bass tightens a bit when amped) but it is always warm and fuzzy and never dry.

Mids are strongly recessed, more so than in the recent ZSR model – see graphs. Voices are very clear albeit slightly distant and analytical (but never nasal and hollow), and they can be aggressive – brass instruments can also be aggressive – which may cause fatigue. The voices can lack richness and then appear thin, which creates a contrast to the thick bass. There is no sibilance whatsoever. Treble has a peak just above 2kHz, which is stronger than in the ZS5 v1 and KSE, but never unpleasant or piercing. Cymbals are resolved very well.

I am wondering whether KZ toned the midrange down so that not to create an overly harsh listening experience. The combination of “Bellsing” BA drivers appears to create more “bell” than “sing” – I apologize for this pun.

The overall signature can be warm in bassy pieces such as traditional jazz with a string bass, and rather cool, analytical, and somewhat harsh when midrange oriented, for example with “a capella” or choir or horn sections.

KZ ZS10 KZ ZS5 and KZ ZSR frequency responses

SOURCE SENSITIVITY

The impedance curve indicates that the bass vs midrange of the ZS10 will not be expected to change in level with the output impedance of the amplifier used. What will probably change with stronger (or better, or whatever) amplification will be sound quality.

A concise, detailed interpretation of the measurements is here: https://goo.gl/7J5kZE

KZ ZS10 KZ ZSR KZ ZS5 impedance profiles

SELECT COMPARISONS

KZ EDR1 ($5): Well…the EDR1 is technically much inferior however very natural sounding and overall very pleasant. Soundstage, resolution, harmony, enjoyment…it is all there – even at 1/10 of the ZS10’s price. Still a great stocking stuffer not only for the glove compartment.

KZ ED15 ($15–18): The ED15 is a hybrid earphone with one BA driver and one DD. It has a smaller image and soundstage, and a stronger, slightly firmer bass than the ZS10, and some sibilance.

KZ ZS5 v1 (discontinued; was $25): The source-sensitive first-generation ZS5 sounds unbalanced on my iphone with a not too prominent however boomy bass, and recessed, distant, nasal and hollow sounding voices. But when amped by a low-impedance source, the ZS5 actually shines: voices obtain coherence, and image and stage widen, although the image remains flatter albeit more homogeneous compared to the ZS10.

KZ ZSR ($23–36): The ZSR is a very similar sounding beast compared to the ZS10, particularly at their thick lower end. Voices are warmer and fuller in the ZSR, albeit soundstage, clarity, and resolution are minimally smaller. The ZSR can be sibilant in contrast to the ZS10. The ZS10 appears to confirm the quality of the ZSR.

KZ ZS6 ($40–55): The ZS6 has an outstanding haptic which makes it the most “premium” of all KZ models. In terms of sound, it features a well-controlled bass, more forward mids than the ZS5 v1, but also a treble peak only suited for strong eardrums. Technically, the ZS6 is up there with the ZS10, but its tonality causes polarized responses.

Fidue A65 ($60): Although this is a single dynamic driver earphone, I use it as comparison because of its pricing. The A65 is technically less advanced than the ZS10. Its stage is slightly smaller but it plays more relaxed, slightly darker, and more homogeneously than the ZS10. In the A65, voices float atop the bass section where they may get buried in the ZS10. The A65 is not fatiguing compared to the ZS10 but bleeds to bystanders. It is an underappreciated jewel.

iBasso IT01 ($99): This is a single DD earphone that is sonically head and shoulders above the ZS10 as it has the tender melt the ZS10 is lacking. In particular, there is no comparison in the vocals department. The “fun-tuned = V-shaped” iBasso renders voices much fuller, more naturally, and with way bigger presence and aura than the ZS10 – that’s what justifies its higher price. Whether the resolution of the ZS10 is better or not plays no role in the big picture.

CONCLUDING REMARKS

Knowledge Zenith has implicated its latest technological advances into the ZS10. It has the best imaging, resolution, and clarity of its model range yet, all of which are outstanding. But the midrange is a step back and to me, the value of an earphone rises and falls with its midrange. This causes a lack of homogeneity and coherence: the thick, warm bass section does not harmonize well enough to my taste with the recessed but nevertheless sometimes aggressive midrange. The “tender melt“ that holds them together is missing in my books. People who liked the ZS5 v1 will probably like the ZS10 for the same reasons. The ZS10 has better detail so that ZS5 v1 fans would likely view them as an improvement.

The FR response curves show why people who like vocals will likely prefer the ZSR over the other two models. Many listeners will prefer the more fluid but otherwise similar ZSR with its warmer, fuller (but still recessed) midrange.

In this respect, the ZS10 may be a somewhat redundant model that will appeal to KZ aficionados, tech freaks, design lovers, deal conscience listeners, and/or simply the curious on a limited budget. While the ZS10 is fun to handle, many will remain very content with their (almost new) ZSR. For those who own the ZS10: I am wondering how many of us will make them their daily driver and how many will deposit them in a drawer waiting for the next KZ hybrid to be released – one with yet another two additional drivers [EDIT: no, six additional drivers].

The post KZ ZS10 Review: Big Trees – Small Forest! appeared first on Music For The Masses.

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