Hidizs Mermaid MS1

General Information


Hidizs has prepared two new models of in-ear monitors under a common name and some features shared between the two. Main code name is «Mermaid» with the additional labels «MS4» and «MS1». Mermaid MS4 is more advanced hybrid model based on three BA drivers by Knowles and one dynamic driver while MS1 features the same single dynamic driver unit.

Mermaid MS1 technical specifications:
  • Type: 1DD
  • Dynamic driver: 10.2mm, Hidizs design, high-sensitivity polymer diaphragm (dual magnetic circuits|dual cavity)
  • Shell materials: high density military grade CNC aluminum-alloy, aluminum-alloy gold-plated sound tube
  • Frequency response: 20Hz - 40kHz
  • Sensitivity: 109dB/mW
  • Impedance: 18Ω (at 1kHz)
  • Rate power: 10Hw
  • Headphone connectors: 2pin, 0.78mm
  • Cables: OFC, 4 strands
  • Weight: 8g
The most exiting is the choice of optional accessories Hidizs would provide the both models with:
  • audio cable with the regular 3.5mm jack (included, stock)
  • audio cable with 2.5mm balanced jack
  • audio cable with 4.4mm balanced jack
    • following the recent trend: several modern DAPs were released with Pentaconn 4.4mm (JEITA standard) balanced outputs and general tendency of DAP manufacturers to incorporate this standard instead of 2.5mm balanced output
  • audio cable with USB DAC ((type-C) + type-C->USB A coneverter))
    • possibility to get better driving ability and more balanced sound instead of using low quality audio outputs from smartphones, PCs or tablets.
      • CS42L42 chip
      • Up to 24bit/192kHz
      • 75mW + 75mW @ 32ohms output power
      • SNR: 117dB
      • Dynamic range: 115dB
      • Distortion: <0.0006%
      • Built-in microphone for voice calls
  • Bluetooth 5.0 audio cable
    • gives a wireless freedom with a support all of common bluetooth transfer protocols (getting the data which ones exactly)

Latest reviews


Headphoneus Supremus
Pros: Gigantic Soundstage, Decent imaging, forwards vocal, Good transparency, Fun immersive sound, mind-blowing construction, extremely generous accessories, Good Overall Value
Cons: Unbalanced bass with strange resonance, not the fullest mids, slightly shouty treble, very big housing for a single-dynamic IEM

SOUND: 8/10
VALUE: 8.5/10
HIDIZS has been around since 2009, but begin to gain success with there best selling DAP the Hidizs AP80. Mostly known for making portable music players and DAC-AMP, Hidizs decide to expand their horizons and create their own earphones.

In 2019, they make the audacious move to launch a flagship Hybrid IEM as their first IEM attempt. The Mermaid MS4 quad hybrid drivers were born and get good reception among curious audiophiles. Soon later, they use very same housing to create a more budget-minded IEM with a single 10.2mm dynamic driver using a bio-diaphragm moving coil.


This one is called Mermaid MS1, which has a flagship construction and an affordable price tag of 100$. It seems that they even push value boundaries by using the same driver for MS1-Rainbow which is priced 65$ but has cheaper plastic housing.

Today, I will review the Mermaid MS1. Let’s see if this TOTL looking IEM is more than just a beautiful piece of engineering.

You can buy the Mermaid MS1 from trustable HIFIGO STORE HERE.







Did the Mermaid is a pricey flagship earphone or a 100$ one? Well, if you look at the whole package and don’t know it’s budget price, you will surely think the Mermaid is a luxurious IEM selling in 300$ price range. In fact, the whole packaging presentation reminds me a lot of FIIO FH7. When you open the box, the beautifully crafted IEM are put in valor in the front panel. Under it you have 12 pairs of quality ear tips in a display that explain the type of sound they deliver. You have as well a small pelican case and a carrying pouch. The pelican case is well built with a nice metal plate with Hidizs loge on the top. But packaging presentation and accessories are irreproachable and surpass any expectation a consumer could have. No doubt about it, the Mermaid MS1 offers the most generous and luxurious product package I ever encounter in its price range.






If you read some FIIO FH7 review, you surely notice how people praise it’s high-end CONSTRUCTION. Well let me tell you straight up, the Mermaid MS1 have as good construction as the FH7 and use very same high-density CNC alloy material and sandblasting coating. You just can’t expect this type of construction quality at this price range and when I have the MS1 in hands I get overly excited about how refined shapes and finish is as well as how incredibly solid and durable it feels. Whole housing is made of metal apart 2pin connector which is plastic. The housing is VERY big, bigger than most of my IEM including the FH7, it’S quite heavy too but not to the point of creating discomfort. It’s very thick and has an ”universal ear mold” shape. The finish is very smooth and does not get hot or cold fastly like a lot of other all-metal IEM I have. Even if I take a magnifying glass to try to find micro imperfection, I just can’t, all pieces are perfectly assembled with great care for proper quality check.


The cable is very nice too. It’s a 4 strand silver-plated OFC cable that has a very sturdy 2pin connector and a very nice metal jack. It promises durability and doesn’t justify you to rush buying an upgrade cable because it pairs well with MS1 tonality.

Why the housing need to be this gigantic? My guess is that Hidizs decide to use MS4 housing and don’t want to invest in a new costly manufacturing process. Sure, the DESIGN is nicely done and for somebody with big ears like me the chunky metal body doesn’t create a fitting issue, but for people with small ears it’s hard to imagine how they would fit this in their ears. The nozzle being short, whole housing tends to create a rather strange protuberance which is a shame because of how beautiful is the whole esthetic….its like wearing a luxurious hat that makes you look awkwardly oversized. So, the Mermaid MS1 needs the help of an ear hook cable to stay perfectly in place, otherwise, it will perhaps slowly fall. Apart from the big size and slightly heavy housing, I find the design smoothly comfortable, free of any problematic asperity.


These are thought to be easy to drive and it sure is with it’s impedance of 18ohm and high sensitivity of 112db. You don’t need portable amp to open the sound of MS1 and any audio source including your phone will drive them properly.


Surprisingly, even if you got a big tank in your ears it doesn’t mean it will intensely block outside noise. Deeper you can insert an IEM, more the passive isolation will be intensify and as you can’t push the MS1 short nozzle far in the ear canal, it means the isolation is just average and you will need to listen to music at high volume to cut outside noise. As well, due to it’s 2 venting hole, noise leakage is notable.



Audio gear used: Xduoo X20, Ibasso DX90, Xduoo X3, Audirect BEAM2

OVERALL SOUND is U to W shape with boosted sub-bass presence, upper mids, and upper treble. Tonality is bright, timbre is dark, and the overall attack is slightly shouty. Macro-resolution is better than micro-details. Bass slam is hefty yet light in body. Mids tend to enlighten female vocal more than male vocal or other instruments. Treble is a little harsh.

SOUNDSTAGE is the Highlight of Mermaid, as if the whole tuning project was about offering the biggest, widest, deepest stage possible. If the housing is This Gigantic, it’s surely for this very purpose: offering a hall like out of your head soundstage experience.

IMAGING, alas, doesn’t fully take advantage of all this acoustic space and will tend to push certain instruments or sound more forwards, giving you the impressions you have good instrument separation, which is true for simple tracks but as soon as you put busy music things became more messy and hollow.

BASS presentation is very unique with the Mermaid, we have the typical sub-bass presence boost of U shape sound signature but it has a resonant extension in lowest range instead of thick well rounded meaty slam. As well, the high low that give proper body definition to kick is tamed a bit which affects bass tonal balance but pushes the mids presence very forward. Timbre is not very textured but have good transparency. The attack is rather slow with long decay. The low end is the darkest part of Mermaid sound and is hit or miss depending of music style, for fast rock, it lacks speed and kicks punch, but for pop, folk, jazz and classical, even is acoustic bass lack a bit of natural extension, if find the transparent bass oomph very appealing and adding weight to the music foundation.

MIDS are clear, bright and forwards with better macro-resolution than micro-resolution. Female vocals sound fuller than male vocal, they are just a hint hot in upper mids but not to the point of creating harsh sibilance. Timbre has an average thickness, making piano sound quite nicely rounded. The mid-range is clearer and more articulate when you don’t have big bass in music, otherwise, some instruments can sound more hollow. Even if quite clear, I don’t consider the mid-range very crisp, because more there instrument more you will hear the limit of singular instruments resolution. Like the bass, you don’t have lot of texture or micro-details, this isn’t highly refined mids but for female vocal lovers, the wide forwards voice presentation will sure be enjoyable even if tonality isn’t the most natural.

TREBLE is bright and energic, with tamed edge and it feels it’s customized for rendering simple drums tracks like snare and hit hat, less so for cymbals crash and crazy fast highs range percussions. To my ears, it lacks a bit of lead attack to offer proper snap but I’ve been surprised by how appealing and lively sound harp and classical guitar, which have nice sparkle and show extra bite in the upper treble region which add both air and brilliance to the metallic instrument. Still, again, the slapped instrument will lack a bit of tonal balance, some will have more lower harmonics, and others will have more higher harmonics. Listening to folk singer is very enjoyable, the presentation is vast with perfectly separated guitar and voice, but if the violin enters the music it can affect overall realism.

BASS: 8.5/107/10
MIDS: 8/108/10
TREBLE: 8.5/107.5/10
ATTACK-DECAY: 7/107/10



Let’s begin by saying Starfield has way better tonal balance and overall more natural-realist timbre. SOUNDSTAGE go to the MERMAID, which sound more hall like and out of your head. It’s more open in every angle possible: tallness, wideness and deepness…but it’s a TRICK.

Because IMAGING is darker in definition than Starfield and can suffer from bass resonance veil. As well, Starfield being more neutral and balanced, it has more layers to its sound, which reveals some instrument the Mermaid hide behind it’s boosted mids or mid-bass bleed. Yep, Mermaid hide some ghosts far it the back of its hall-like-staging!

BASS is notably more U shape and boosted, offering more slam but less control and body than Starfield, which has a more linear and natural extension in both directions. Mermaid has this peculiar resonance that sure affects tonality accuracy, while the Starfield is faster in articulation and clearer in separation. Quantity go to Mermaid, while quality go (big time) to Starfield.
MIDS are more colored and push forwards in upper mids with the Mermaid, a hint more shouty and bright, and overshadowing some instruments in lower mids range, while the Starfield have fuller thicker mids due to more lower mids and better balanced upper mids, making vocal more intelligible and instrument in mid-range sounding more accurate, clearer and realist.
TREBLE is again less balanced and spikier with the Mermaid, pushing some percussions aggressively forwards and shadowing micro-details and texture. The Starfield have flatter fuller treble with more nuanced and controlled highs, less splashy impact, and more realist timbre.

All in all, the Starfield offers a more refined and balanced sound with more natural tonality and better technicalities. Mermaid ‘’guilty pleasure’’ might be a crime after all.

VS Kbear Diamond (80$)

Let’s begin by saying the Diamond have notably faster transient response which inflicts on technicalities advantage.

SOUNDSTAGE again is bigger with the Mermaid, this time it has about the same wideness but it’s taller and deeper.
IMAGING is sharper with the Diamond due to better overall clarity that keeps clean instrument placement.
BASS is U shape too, with emphasis sub presence and tighter thicker weightier impact, making the Mermaid sound sloppy and thin in timbre.
MIDS are slightly more recessed and thinner but has a crisper definition and better separation than more shouty and bright Mermaid. Instrument sounds tonally better too, and attack is edgier and controlled.
TREBLE is crisper, sparklier and has more brilliance with the Diamond, it digs more micro-details too. Mermaid has brighter, thicker, splashier treble that lacks control and snap.

All in all, the Diamond is technically superior with tighest attack and higher clarity, but the vocal is thinner and soundstage is less out of your head.

VS FIIO FD1 (60$)

How does a 13mm Berylium-plated dynamic driver compare to a 10mm Bio-diaphragm driver? Well, here it’s all about transient response and tonal balance.

SOUNDSTAGE is notably wider and deeper with the MS1, IMAGING too is more accurate and less condensed in layering than FD1. BASS is thicker, fuller and flatter with the FD1, it has more high bass so the kick sound fuller, as well, it’s better balanced and controlled than the more boomy and resonant low end of MS1. MIDS are fuller but more opaque too with FD1, the male vocal is more bodied than MS1, presentation is more intimate and forwards with FD1 and cleaner due to slower transient response of MS1. TREBLE is again fuller and thicker with more natural tonality and less splashy cymbals, making the MS1 highs sound thin in mid-treble and peaky in the upper region, so you have more micro-details but less texture and nuances with MS1.

All in all, the MS1 sounds more U shape, fun and immersive due to its bigger hall-like soundstage and more boosted bass while FD1 is more neutral and natural in tonality.



Hidizs first attempt in budget-minded earphones is extremely promising. While tonal balance isn’t perfect and overall tuning lack a bit of refinement, the Mermaid MS1 succeeds in delivering a very immersive holographic sound experience that favorise fun over accuracy.

If you take in account the tremendous amount of accessories as well as the mind-blowing construction, you sure get more than asked for your money.

I see the Mermaid MS1 more targeted towards audio enthusiasts that like boosted bass and sudden wow effect than mature audiophile searching for neutral and natural sounding IEM.

If you’re a sucker about soundstage size, bass slam, and listen mostly to slow music like pop, folk, chamber classical, or soul, I think the Mermaid MS1 worth your consideration. One thing sure, your friends will be bluffed about the price you pay for such pristine crafted earphones.


Headphoneus Supremus
Pros: Excellent build and fit, advanced kickstarter options have an array of cables on offer, smooth and neutral type sound, price
Cons: A bit more upper bass and lower mids would be welcome, treble can be peaky on some tracks, needs some burn in, coherency is lost at times
Hidizs MS1 Earphone Review
- Expatinjapan


*Scroll down the Hidizs Kickstarter page for the MS1 information,
but stay a while near the top of the page to check out the MS4 also.

`In the Mermaid series, we also designed the earphones featured the single dynamic driver.
It was built by the same diaphragm as the MS4,
we also used the Hi-Fi grade material for this product.
The sound is beautiful, the quality is designed as the Hi-Fi quality,
it's a super good product for the junior enthusiasts.`

The new earphone series from Hidizs is quite a surprise production from this dap company.

Earlier products such as the AP60 and the later AP200 and AP80 built upon earlier builds and improved the sonics experience as is to be expected.

Hidizs has finally gone into the earphone arena with a well received pair (MS1 and MS4) by reviewers that was available for mainly early review, feedback and development purposes.
Hidizs has taken a jump into the lower mid fi end with their MS4 model (1 DD, 3BA) and also the entry level end with the MS1 with their new DD earphone.
Placed at US $99 - $129 on Kickstarter (Later increasing to $149 - $268). The Hidizs MS1 when combined with a decent dap certainly emerges as an earphone that produces a pleasant performance.

Coming with a durable oxygen-free copper cables which are composed of 4 strands two pin standard single ended 3.5mm for starters. There is also the option to add more cables as perks, Such as a 5.0 bluetooth receiver or a Type-C DAC cable , or a 2.5mm balanced cable. And there is also a 4.4mm option upon request.

Unboxing Hidizs MS1 (MS1 basic kit).

*See further down for full Specifications.

You can not go wrong with lots of tips to choose from.

A nice, solid plastic case for transportation and protection.

More details of the tips so you can tailor the sound to your liking.

The build as you can see is excellent, and much more than I expected.
`Finely crafted aluminum cavity`

Hidizs MS1 and Hidizs AP80



I think it is best to browse their Kickstarter for all the various options and perks (especially the cable add-on options).
Scroll down from the MS4 initially to the MS1 mid way down their Kickstarter page.


*4.4 mm balanced change connector is an add-on, you can get it at only $10 USD ($ 78 HKD).

Expected mass production is scheduled for February with shipping planned for April 2019.

Stunning to see, touch and comfortable to use.

Various Daps, volume matched with a SPL meter, and FLAC tracks were used in the listening and testing).

I used the Stock Balanced tips for most of my listening (thick silicone and with a small bore)

The Hidizs MS1 dynamic driver earphone is certainly a decent first effort. My expectations were admittedly low, this being their first earphone (that I know of).

The Hidizs MS1 takes a turn from the earlier favored V shapes of late 2017/early 2018 of other brands to a more neutral, linear and bright sound, echoing to some degree the ever popular DD sound that one enjoys to listen to.
Vocals are sweet and not too forward and complement the music rather than overwhelm it.

The sub bass is present but not overcoming, the bass being a main feature whilst complementing the mids and highs. The response is fast and aggressive. Typical of most dynamic drivers.

The mids have a nice bump in their lower regions to please and complement the vocals, especially female vocals.

The highs are refined and are generally ok. Some sibilance or over extension on the odd rock track.
They generally have a nice reach without becoming fatiguing with the right pairing of music.

Overall it is :
The fit is comfortable and I could easily get a good seal. I did not really need to change to any after market tips and achieved excellent isolation and increased body overall from the stock offerings.

I did sample my recent favorites such as the Symbio Peel W and JVC Spiral tips and enjoyed the more controlled overall sonics, clean delivery and tamed highs of the JVC versus the stock balanced tips.

The balanced tips are good overall and fairly even.
The Vocal tips are bit more sedated on the lows and highs, creating a more emphasis on upper mids and vocals.
The Bass tips do not seem to produce huge bass, but its adequate and they seem to have a more airy effect due to their larger bore and thin silicone.
The Balanced tips or the Foam tips appear to be the stock winner here. Solid sound, nice lows and vocals, usual drop in the highs of course.

Imaging is above average and I could enjoy the instrument placement, and the sound stage is as like in a medium hall.

The performance is a varied range as can be seen below. Dependent on the music listened to and the tips paired i suppose. Some time is does not seem coherent, or maybe lacking some low end, or treble and bit sharp (bear in mind this is only with the Balanced tips).

I found changing the gain from low to mid improved the performance overall, and would recommend it.

Bear in mind this a US100 earphone at its roots, the build is excellent and the sound fits within and above that price bracket.

With stock balanced tips:
Norah Jones, Massive Attack, The Fugees, Daft Punk, Beethoven, Jeff Buckley, Kruder and Dorfmeister, David Bowie, Neil Young, Gnarls Barkley, Joy Division, Velvet Underground, Mazzy star are a good match,... The Pixies, Morcheeba, Ramones, Portishead, The Jesus and Marychain, Hole are ok,.... Slayer so-so,.... Richard Ashcroft, Blur, lana Del Rey is not.

With a bit of gain added I felt there to be some improvements as the dynamic driver had more power to satisfy it.
Take the above with a grain of salt, Lana del Rey for example was ok with the JVC Spiral Tip.

Overall it is not an all rounder at low gain, but moves closer to it when more gain is added. I would also recommend playing around with the tips a bit to get the right sonic experience for yourself and to do some tip rolling with whatever tips you have lying around. Have a play.

Its a generally, smooth, easy listening experience and enjoyable earphone.


The Hidizs MS1 marks a point of maturity of Hidizs as a company as they perhaps move closer to the dream of a totl IEM.

A more neutral style earphone, nice body, decent fast low end with warm floaty mids and a at times bright high end. Sound stage is medium.

I would recommend trying out all the tips and even try other tips.

Medium or high gain seemed to satisfy the drivers the most.

The cable is decent and I did not bother with cable swapping to yield some incremental improvements as I was generally satisfied with the stock cable.

The MS1 has a linear, naturalness combined with body, clarity, detail and power.

We look forward to Hidizs next earphone project.

`Consider that before long you will be nobody and nowhere, nor will any of the things exist that you now see, nor any of those who are now living. For all things are formed by nature to change and be turned and to perish in order that other things in continuous succession may exist.`
- Marcus Aurelius

Thank you to Hidizs for sending Head pie the Hidizs MS1 for review.
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Headphoneus Supremus
Pros: design, build quality, accessories set, price, sound
Cons: lower mids could be more forward
1-Main Pic.jpg

Hidizs obviously enjoyed the idea of Kickstart platform preorders for their new projects. After a successful campaign for their Hidizs AP80 player, they decided to try the same approach for their new IEMs and started the crowdfunding for two new models. Today we will take a closer look at the junior model.

I would like to thank Hidizs for providing me with a review sample of MS1 in exchange for my honest and unbiased opinion.

Both IEMs adopted the codename - Mermaid. In fact, they look rather similar both in terms of appearance and packaging. The difference between them is that MS1 are single-driver dynamic IEMs and MS4, that I haven’t got for review, unfortunately, add 3 more Balanced Armature drivers to dynamic. Both models can be pre-ordered in three variants: basic, with single addon of choice or with all add-ons. Among the add-ons are the balanced cable of enhanced quality, Bluetooth cable and USB-C cable with DAC (and it is good if it is the same one used in Hidizs Sonata).


Prices are average on the market currently. The junior model starts from 150 USD (100 USD during the crowdfunding campaign). Senior is planned to be sold for 300 USD, but currently, its price starts from 220 USD.

Technical specifications
  • Driver: 10.2 mm dynamic driver
  • Frequency response: 20 Hz – 40 kHz
  • Sensitivity: 109 dB/mW
  • Impedance: 18Ω
  • Cable: replaceable, 0.78mm 2-pin
  • Weight: 16 gr
Packaging and Accessories

The IEMs came in the standard Hidizs cardboard box with silver embossing. The contents of the box resemble the flagship FiiO models. According to how the accessories are placed in the box, highly likely that they are made on the same factory. Besides IEMs there is a cable, plastic case and 12 pairs of eartips (3 pairs of 4 types): foam, bassy, balanced, and treble-oriented, that are named “vocal”.

It is likely for the senior model to have a better case (some images on the net suggest artificial leather).
Those enhanced accessories will be present for those who purchase add-ons.


Accessories set is very good for this price.

Design and usability

The appearance of new IEMs dispel doubts about relationships with FH5. The IEMs seem to be similar except faceplates. Bodies are made of quality metal. Shape exploits stylized universal representation of custom IEMs. There are three available colors: dark gray, blue and red. My gray variant sports a great shiny insertion on the outer side of IEMs. Here you can also find the company name and logo.

The shape of IEMs is well thought over and MS1 can easily fit any ear, however, they can still be a little large for too small ears, but it is a rare case. The sound hook has normal length and ensures above-average isolation and comfy usage over long periods of time.


The IEMs are designed to be worn over the ear and it will be almost impossible to wear them “cable down” even if you change the cable itself. The cable is, of course, detachable and Hidizs chose 2-pin connectors, probably because they did not want to crash into MMCX problems). It is rather simple, at least in MS1 model - usual silicone isolation, ear hooks without memory effect, twisted spiral after the Y-split up to the jack. The cable is, however, good in everyday use - it is not too noisy, springy enough not to be prone to entangling and does not stiffen in cold conditions.

General build quality is good, there are no problems or faults here. IEMs look strict and respectable and look very attractive.

5-Stylish Shot.jpg

For testing I've used following source: Lotoo Paw Gold Touch, Astell&Kern SP1000, theBit OPUS#2, Yulong DA9 and Resonessence Labs Concero HP.

Prior to testing, I allowed 48 hours of burn-in. The changes were detected only during the first 3 hours.

Testing this model I realized that MS1 is a half of hybrid IEMs. In fact, it is a good dynamic model that can easily benefit if you add some armature correctly, and I hope that Hidizs really succeeded in MS4 in this regard.

Bass is something that you instantly pay attention to here. It has good depth and firmness that will appeal to those listeners who love rolling and rumbling bass sounds. Of course, the bass is not armature in terms of resolution, however, for dynamic bass, it has rather good speed and this makes it sound well-layered and containing micro-details. Overall the bass is balanced and well-controlled, not interfering into the middle.

6-Without Tips.jpg

Mids are tuned in the way to have a typical V-shape with a macro-detail accent. The upper mids are almost perfect - they are slightly moved forward and have a good resolution that helps female vocals sound expressive, gives guitars needed aggression and ensures the presence of all other positive moments of accentuated upper mids. Lower mids sometimes lack presence. Luckily it can be heard on some tracks only. The soundstage is average in terms of width and a little smaller in depth, but the separation of instruments and layering are very good, there is no congestion.

Treble is somewhat accentuated, but it is done carefully and is not abundant. However, if you are a treble-sensitive person, I advise you to audition those IEMs before the purchase. Attacks and decays are a little shorter than normal, but in general have good length, although not great. The resolution is good and there is a good balance with bass.

As there are many models in this price category I have chosen only some of them (arguably the most popular) for comparison.


Ostry KC09 How can I omit them? Ostry’s are slightly more flat in mids and have less bass and treble. MS1 has better bass depth too.

Whizzer A15 Pro It is a more flat model as well with slightly better resolution but less weight and depth of bass.

iBasso IT01 IT01 have more aggressive sound with even more accentuated upper part of the frequency range. The bass has more speed than in MS1 but doesn’t have such depth.


MS1 are very balanced IEMs in terms of impedance and sensitivity and they are easily driven by any sources. They are colored and do not require a top player.

In terms of style, the IEMs will suit to the genres with good and weighty bass required - from pop-music to jazz with contrabass. MS1 are not very sensitive to the quality of recording - approximately 5 of 10.

8-With AP80.jpg

Example tracks

Röyksopp — Alpha Male (Live 2) I don’t like live recordings in general, but sometimes there are exclusions that break my preferences easily and throw them away. This track is exactly the one. With MS1 it will not only provide you with a good rhythm-section but will let you dig deeper into the live concert atmosphere.

Pat Metheny — And I Love Her Of course it is not Wichita Falls, but nevertheless a very good example of guitar jazz. And of course it requires better IEMs (maybe MS4, eh?), but MS1 play this track really well, mainly because of the correct tonal balance.

The Handsome Family — Far from Any Road Shame, but I do not know anything about this band. For sure, I might google it, but for some reason, I don’t want to. Anonymity gives an advantage to this outstanding vocal duet. MS1 cope well with vocal emotions and instrumental part.


While I was writing this review, the MS1 gathered several times more than the goal that was set on Kickstarter, confirming again that crowdfunding campaigns are a success. However, there is enough time and if you search for interesting IEMs for a good price, Hidizs Mermaid may be one of the options to look at.

As usual, I've made the video version of review for those who prefer it.


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