Luan Lima

New Head-Fier
Flo Áudio Bluelover review
Pros: good tonal balance
good build quality
bass and subbass with great physical presence for a full ba
Good mids
Cons: can be very claustrophobic
generates pressure and tiredness after listening for some time
lacks a bit of speed and accuracy
disposable cable
Introduction
The bluelover is Flo Audio's first multidriver, a 6ba with a 3-way crossover. They had a big hit with their unique dd calla, and got fans with their unique ba lily, will history repeat itself with bluelover?

Unboxing and Build Quality

Bluelover is very beautiful, well finished for an 80 dollar iem.
The body is filled with solid resin, which leaves the phone a little heavy, but gains in isolation that we will see later.

Comfort and isolation

I didn't like the fit of the bluelover, it's a big iem for a 6 ba, people with small ears might not be able to use it.
The top part of the earphone hurts the cartilage in my ear, in addition to hanging out of the ear a lot and not being comfortable to sleep, the Hisenior T8 with 8ba is much smaller (as you can see in the photo)
As mentioned before, the body is filled with resin, which gives the bluelover strong insulation. This can be a positive point, but with it brings a negative point. The headset does not have a "breather" to relieve internal pressure.

Stage and image
The stage has a good width, the height and depth are much simpler. It is capable of showing good images, and good instrument separation, especially in the midrange, not so much in the treble.
It's an excellent stage for a earphone in this price range and well balanced.

Bass
It has good bass, both subbass and bass are on the same level, the bass has a great kick (physical presence) for a Full ba, better than a lot of Single dd and hybrids out there.
It has good layers and separation in this region very competent for the price.


Mids
I think the mids are the best part of the bluelover, the crossover with the bass gives a good note thickness. Male voices have good weight, and do better than female ones. The higher mids have a decay, giving a darker air in this region.
Able to show good detail, instruments in this region perform well
It has a natural but dark timbre; without sounding skinny like the p1 Max (but the p1 is more accurate and better tuned), good surprise for an 80 bucks Full ba.
PS: these impressions were after using the nicehck double flange tips, this is a set that is very sensitive to changing tips and cables.

Treble
It has good highs, not the most airy, but it has good quantity and extension.
Sure, it lacks a bit of precision (it has a bit of grain) but it's totally defensible at this price point.
I think the less favored part, but it still has its merits.

Comparison

Bluelover Audio Flo(80$) x Hisenior T2(100$)

Bass
The bluelover takes in both bass and subbass, the hisenior T2 has a roll off in the subbass.
But in terms of bass quality, the Hisenior T2 has the advantage, it is more defined, better separated and clean (in this regard, the Bluelover is not far behind)

Mids
Without a doubt, the Hisenior T2 leads to much more natural, cleaner and more accurate mids. It has better separation and detail and sounds less bloated.

Treble
Bluelover has more length, and quantity. But then again the hisenior T2 has more control, shows better detail and sounds more airy.

Conclusion
For my taste, I prefer the better overall tuning of the Hisenior T2, but I can easily see others preferring the Bluelover because of its bass and that extra energy.

Conclusion

For 80 dollars it's a good IEM, well tuned and balanced.
Another hit from Flo Audio, and as always with very attractive prices
But keep in mind that the Bluelover doesn't have a vent to relieve the internal pressure, becoming tiring at least for me.

Luan Lima

New Head-Fier
Review Thieaudio legacy 3
Pros: Balanced signature
Very light and comfortable
Cons: Bad resolution
Very narrow and confusing stage
Artificial timbre
Etc...
Review thieaudio legacy 3

Hello friends, today I bring the review of thieaudio legacy 3. Does the hype created about him confirm itself?
Well, legacy 3 uses the same dynamic driver as legacy 9, who said it was "very good" (that's not what I saw)
And there are two balanced armatures, looking side by side with my hisenior T4 one of the L3's proprietary armatures seems to "imitate" the Knowles ed29689 (but far below it) that should treat the mids and another armature marked "thieaudio" for treble.

Build quality

It's a well-built earphone, it looks like a 3d print and it's a very thin Shell, which makes it light, but it also seems prone to cracking depending on the drop.
The faceplate fitting is well done too, it has no burrs.

Tuning switches.

They don’t make much difference in the sound, in my measurements with Dayton audio imm6 except the FR didn’t change anything in the graph.
But listening to the bass configuration (key 1 up and 2 down) really gives an extra amount but makes it more silly.

Comfort and isolation

It is a very light IEM, lighter than the Idun kinera for example.
Isolation is average, but Idun's is better.
It is also more "noticeable" in use.
The L3 doesn't even seem to be there.

Stage and image

Here we have a serious problem, the stage of this IEM is disappointing for the price.
The stage brings a claustrophobic feeling, the instruments seem to be fighting each other for space.
And the worst part is laterally, it is very small. There is no perceived gap between the instruments
If you like a more coherent stage, you will be disappointed with this in ear.
The images are confusing to say the least.

Bass

The bass does not bleed in the middle, and there is also no decrease in the cross between the dynamic driver for balanced armor.
The bass does not have a good amount (as mentioned by some), and worst of all, it does not have a good timbre, it does not have a satisfactory subgrave and yet it can be slow.
Hearing and feeling the drum pedal works on this phone, as well as the bass line.
It sounds silly and inaccurate.
Legacy 3 has much less quantity and quality of bass (even on the subwoofer) than my hisenior T4 for example, which has a Knowles ci22955 balanced armor for the bass.

Mids

It has at least a strange presentation, especially for the price.
Mids have a good quantity, but the quality leaves something to be desired, not that it is bad, but it does not have the precision and definition that is expected from 120usd IEM, they are like an analog TV signal with some drizzles, it is not "accurate" like the Idun kinera which costs the same.
It has a good clarity, appears too much and is a sound that tires me, due to the lack of resolution.
The middle ones are the part that most appears in this phone, they are right in the face, which some may end up liking.

Treble

The highs are ok.
Has an extension problem above 7.8k
Lacks air in the treble, sounds muffled and has no shine
If you like detailed treble you won't find it.
He has the same problem with mids resolution, for the price he could have at least two Knowles armor from cheaper series.
The only earphone that did not wear Knowles armor for mids and highs that had a good timbre that I heard was the **** h5.

Comparison

Kinera Idun 130usd X Legacy 3 120usd

Bass

Idun ends up having less quantity, but much more presence than the L3
Not to mention the speed and accuracy control that are much better at Idun.
On the L3 it sounds silly and details in that part go easily unnoticed.
In subgrave the two are close.

Mids

The lower mids have more quantity in the L3 male voices sound fuller.
But due to the lack of precision in the L3 midfielders, Idun sounds much superior and consistent.
Separation of Instruments has no comparison, idun wins.
It is not lost even in the most tumultuous tracks unlike the L3.

Treble

Another part that does not give the L3 the Idun trebles are very well represented.
It has an enviable extension and shine.
Unlike the L3 that dies at once above 8k
Outside the air that is just right in Idun and sounds open and detailed.
Unlike the L3

Stage and image

Another part without much comparison, Idun's stage has excellent width and space between the instruments (combined with a good separation), the depth being less apparent.
In L3 it is claustrophobic, it is difficult to see the distance between the elements of the band.
It sounds inconsistent.
Idun's images are excellent, while L3's are at least confusing.

Conclusion

For $ 120 I would never recommend this earphone.
Regardless of him playing directly on the cell phone or playing the shanling m0, or ess 9280c pro Dac/Amp, there is no noticeable gain in the quality he can deliver, unlike Idun for example.
His head-fi review from user pregocvision says something very close to my impressions.
Legacy 3 has several unforgivable weaknesses at this price
The guideray gr-t20 has much better timbre and much better hit, costing 40 dollars less.

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DallaPo
DallaPo
I'm a bit puzzled by the stage description and associated separation and also resolution. Have you checked whether you might have a wrong polarization?
L
Luan Lima
Icarus_ as for the bass, the shanling m0 is more than enough to feed the l3, and he doesn't actually beat even the kinera Idun in the amount of Bass. it is very far away from my hisenior T4, from a Basshead like the isn h40 so it’s not even mentioned. the stage is horrible at l3
L
Luan Lima
DallaPo _ there was no polarity inversion, I have a rta Dayton audio imm6 microphone and everything is normal with the fr, with no apparent cancellation. the problem is that the l3 has several serious problems, absurd to make a phone like this for 120 dollars. as mentioned in the review, the guideray gr-t20 has the same fr but is much better. it has few problems and costs 40 dollars less. a much better tuned in ear. the timbre of those generic L3 BA is ridiculously bad, the worst I've heard after CCA C10 and kz zsx.

Luan Lima

New Head-Fier
Guideray gr-t20
Pros: Great tonal balance.
Good timbre.
Hot and fun signature.
Cons: It could be a little more detailed.
I would like the treble to have more extension
Hello friends, today I bring you the review of the guideray gr-t20 earphone. Sorry for my English because I'm from Brazil and I'm using Google translator to write this review, so forgive any mistakes
I want to thank the seller for giving a discount on this unit for my unbiased opinion of the product.
Well the gr-t20 is a hybrid phone with a 9.2mm dynamic driver and 2 balanced armatures.
With a beautiful and differentiated wood finish, which is unique in this price range.

UNBOXING

The gr-t20 has a wooden case with a wooden sticker as well.
Inside there is a Chinese manual, and a beautiful carrying bag with what appears to be leather (perhaps synthetic leather).
It comes with good olives, different from the ones that most are used to like the ones from kz, tin audio and other manufacturers, are two pairs of the small black, and three pairs of the transparent double flange, which are the same ones that came with my old one **** h5.
The cable is 8 cores, it is very malleable, it does not tangle even if you want to.
It is practically identical to that of thieaudio legacy 3, changing only that the legacy 3 is matte, while the gr-t20 is glossy.

BUILDING QUALITY

What to say about this in ear, it is just beautiful.
Very well finished, the only phone I saw with a wood finish of that level on a $ 80 earphone
The shell has no steep corners, and the faceplate is very well fitted.


COMFORT AND ISOLATION

Well, I'm going to start talking about isolation, even for a semi-custom phone (everyone I bought outside the tin t2 was semi-custom) this has a really strong isolation, if you take public transport or even use it at work that has a lot noise, this is the phone for you, even more allied with the good amount of bass.
In comfort he loses to others.
Not that he is uncomfortable, but by adopting a stronger isolation he ends up not being as comfortable as the kinera Idun and the best of them is his senior T4 who seems to be wearing nothing in his ear.
But make no mistake, the gr-t20 is comfortable.

STAGE AND IMAGE

it has a good sound stage for the price, much better than that of thieaudio legacy 3 which costs 40 dollars more.
The stage is more intimate, but accurate.
It is more focused on width than depth.
The images are good, have a great separation of instruments for the price.


SIGNATURE AND TONALITY

it has a great tonal balance, a balanced signature.
The general hue is warm, tends to a darker and more relaxed side.

BASS

The bass is excellent in it, it is its strongest point, the second phone with the best bass I have ever had (it has much more quality, extension and speed than the zsx) behind the older T4 that has better details and precision in this range.
The gr-t20 has good speed, weight and length.
It has a very good subgrave (much more quantity and more quality than the zsx and thieaudio legacy 3), I highly recommend it to anyone looking for a phone that has strength in this area, and without losing strength in the attack bass that has good weight and speed in measure.

MIDS

The mediums are excellent, although a more relaxed tone brings good details.
It has an excellent timbre (far superior to thieaudio legacy 3)
Despite having a lot of personality in the low, the midfielders were not forgotten.
There is no decay between low and medium
The male voices sound full and heavy. They present themselves with an excellent distance for me, neither in the face nor far.
Instruments in this region sound crisp and current.

Highs

The treble doesn't have much length, but it has good quality and quantity. it sounds relaxed and clear.
But keep in mind that this in ear is not a in ear that has a brightness in the highs, which in my opinion brings tiredness with time.
If you are looking for a phone that has a lot of extension and brightness in the treble this is not for you.
It works with more relaxed treble, has good amount of air

COMPARATION

Guideray gr-t20 80 $ VS thieaudio legacy 3 120 $

The gr-t20 is much higher than the bass in all aspects.
Both in extent, quantity and speed.
The bass of legacy 3, has little quantity and sounds silly, xoxo.

Medium
Legacy 3's mids seem to be bigger, as they are right in the face. but the quality is just bad, tiring and the tone is just awful.
The mids of the gr-t20 are impeccable, very consistent even more considering the price.

Treble

The two headphones don't have much extension, in that they literally tie.
But the treble of thieaudio legacy 3 is annoying even though it has the same amount as the gr-t20, but legacy 3 has a serious problem of resolution and timbre as it happens with midfielders.
The gr-t20 is much more pleasant and not tiring and cheaper.

The legacy 3 stage is ridiculously small and poorly presented, the instruments seem to be on top of each other.
Guideray is much better.
The gr-t20 has a balanced signature, and a more musical, dark and relaxed tone.
Legacy 3, on the other hand, has a clear focus on medium to high ranges, like someone who wanted to be a "detailed" phone. But it failed miserably, with a tone, say in the style of kz in ears.

CONCLUSION

The guideray gr-t20 is an excellent in ear, especially considering the cost of 80 dollars.
It's very musical and fun
With great bass and mids.
It only lacked more extension in the treble to be perfect.
I highly recommend buying it, it is an excellent upgrade for those who come from a kz for example, you will be impressed by the atmosphere and timbre that it brings.
The seller is very honest and quick to respond, I recommend it highly.
Product link: R$ 469,45 | Guideray GR-T20 dynami 2 armadura equilibrada dd + 2ba híbrido baixo de alta fidelidade monitor música estúdio fones ouvido 0.78mm cabo
https://a.aliexpress.com/_mOzjRhv

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Luan Lima

New Head-Fier
Guideray gr-t20
Pros: Great tonal balance.
Good timbre.
Hot and fun signature.
Cons: It could be a little more detailed.
I would like the treble to have more extension
Hello friends, today I bring you the review of the guideray gr-t20 earphone. Sorry for my English because I'm from Brazil and I'm using Google translator to write this review, so forgive any mistakes
I want to thank the seller for giving a discount on this unit for my unbiased opinion of the product.
Well the gr-t20 is a hybrid in ear with a 9.2mm dynamic driver and 2 balanced armatures.
With a beautiful and differentiated wood finish, which is unique in this price range.

UNBOXING

The gr-t20 has a wooden case with a wooden sticker as well.
Inside there is a Chinese manual, and a beautiful carrying bag with what appears to be leather (perhaps synthetic leather).
It comes with good olives, different from the ones that most are used to like the ones from kz, tin audio and other manufacturers, are two pairs of the small black, and three pairs of the transparent double flange, which are the same ones that came with my old one **** h5.
The cable is 8 cores, it is very malleable, it does not tangle even if you want to.
It is practically identical to that of thieaudio legacy 3, changing only that the legacy 3 is matte, while the gr-t20 is glossy.

BUILDING QUALITY

What to say about this in ear, it is just beautiful.
Very well finished, the only phone I saw with a wood finish of that level on a $ 80 earphone
The shell has no steep corners, and the faceplate is very well fitted.


COMFORT AND ISOLATION

Well, I'm going to start talking about isolation, even for a semi-custom phone (everyone I bought outside the tin t2 was semi-custom) this has a really strong isolation, if you take public transport or even use it at work that has a lot noise, this is the phone for you, even more allied with the good amount of bass.
In comfort he loses to others.
Not that he is uncomfortable, but by adopting a stronger isolation he ends up not being as comfortable as the kinera Idun and the best of them is his senior T4 who seems to be wearing nothing in his ear.
But make no mistake, the gr-t20 is comfortable.

STAGE AND IMAGE

it has a good sound stage for the price, much better than that of thieaudio legacy 3 which costs 40 dollars more.
The stage is more intimate, but accurate.
It is more focused on width than depth.
The images are good, have a great separation of instruments for the price.


SIGNATURE AND TONALITY

it has a great tonal balance, a balanced signature.
The general hue is warm, tends to a darker and more relaxed side.

BASS

The bass is excellent in it, it is its strongest point, the second in ear with the best bass I have ever had (it has much more quality, extension and speed than the zsx) behind the older T4 that has better details and precision in this range.
The gr-t20 has good speed, weight and length.
It has a very good subgrave (much more quantity and more quality than the zsx and thieaudio legacy 3), I highly recommend it to anyone looking for a earphone that has strength in this area, and without losing strength in the attack bass that has good weight and speed in measure.

MIDS

The mediums are excellent, although a more relaxed tone brings good details.
It has an excellent timbre (far superior to thieaudio legacy 3)
Despite having a lot of personality in the low, the midfielders were not forgotten.
There is no decay between low and medium
The male voices sound full and heavy. They present themselves with an excellent distance for me, neither in the face nor far.
Instruments in this region sound crisp and current.

Highs

The treble doesn't have much length, but it has good quality and quantity. it sounds relaxed and clear.
But keep in mind that this in ear is not a in ear that has a brightness in the highs, which in my opinion brings tiredness with time.
If you are looking for a phone that has a lot of extension and brightness in the treble this is not for you.
It works with more relaxed treble, has good amount of air

COMPARATION

Guideray gr-t20 80 $ VS thieaudio legacy 3 120 $

The gr-t20 is much higher than the bass in all aspects.
Both in extent, quantity and speed.
The bass of legacy 3, has little quantity and sounds silly, xoxo.

Medium
Legacy 3's mids seem to be bigger, as they are right in the face. but the quality is just bad, tiring and the tone is just awful.
The mids of the gr-t20 are impeccable, very consistent even more considering the price.

Treble

The two headphones don't have much extension, in that they literally tie.
But the treble of thieaudio legacy 3 is annoying even though it has the same amount as the gr-t20, but legacy 3 has a serious problem of resolution and timbre as it happens with midfielders.
The gr-t20 is much more pleasant and not tiring and cheaper.

The legacy 3 stage is ridiculously small and poorly presented, the instruments seem to be on top of each other.
Guideray is much better.
The gr-t20 has a balanced signature, and a more musical, dark and relaxed tone.
Legacy 3, on the other hand, has a clear focus on medium to high ranges, like someone who wanted to be a "detailed" phone. But it failed miserably, with a tone, say in the style of kz headphones.

CONCLUSION

The guideray gr-t20 is an excellent headset, especially considering the cost of 80 dollars.
It's very musical and fun
With great bass and mids.
It only lacked more extension in the treble to be perfect.
I highly recommend buying it, it is an excellent upgrade for those who come from a kz for example, you will be impressed by the atmosphere and timbre that it brings.
The seller is very honest and quick to respond, I recommend it highly.
Product link: R$ 469,45 | Guideray GR-T20 dynami 2 armadura equilibrada dd + 2ba híbrido baixo de alta fidelidade monitor música estúdio fones ouvido 0.78mm cabo
https://a.aliexpress.com/_mOzjRhv

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Luan Lima
funny, what i bought is still 80 bucks. and the others is 80 to 85. the cheapest only the same one that I said is 63.

do you already have your gr-t20? buy a 75 ohm dunu impedance plug that it will get even better, the sound is more open, more detailed, the treble that lacks a little extension also improved and this plug costs very cheap.
SleeStack1
SleeStack1
Yes, I've had the Guideray for over a week. I'm not sure I have an impedance mismatch so an adapter might not do much for me.
L
Luan Lima
as i said before i didn't buy it for an "impedance mismatch" as you mentioned. I bought it because it changes the assinature, and it changed for the better. left the sound more open, improved details, resolution, precision and the treble extension that is a contra part of the guideray gr-t20

Luan Lima

New Head-Fier
Charmtek Dac/Amp USB-C
Pros: signature warm
increment of the low and medium low
Cons: details and separation could be better
Hello friends, today I'm going to pass my impressions on this Charmtek Dac / Amp USB-C. Sorry for my English because I'm from Brazil and I'm using Google translator.
It uses a Qualcom WHS9415 dac
Works with earphones from 16 to 600 ohms
It has a lot of volume, when using it on a smartphone in a specific player like the hiby music player that has better control of the DAC be careful when connecting directly and already playing the music, first lower the volume or you may even have a hearing loss or burn your earphone.

My brother bought this cable to use on a redmi note 8 that honestly has a very bad sound, it's really bad.
This one arrived extremely fast, it was 7 days.
I couldn't use it more often because unfortunately it doesn't work on my redmi note 8 pro that has a mediatek processor, pay attention to that when choosing.

It has low energy consumption as it says in the ad, it is a very positive point.

As for the sound, it really improves in relation to the smartphone, especially his, which is horrible

Bass
The bass has more presence, show more layers.
It also increases the quantity.

Mids
Mediums are also fuller and in greater quantity.

Treble
The treble is not prominent (generally, except for the case of Idun that I speak about later) which can be an ace up your sleeve depending on the earphone you are going to use with it.

Stage and image.
He does not favor this part so much (note that I say this comparing with headphones of a higher value and playing the shanling m0)
The stage is narrower and with less detail than with the 9218p ess saber from the shanling m0.
I see it as made to please the masses who will not pay so much attention to the stage and details.
But that doesn’t mean he’s bad.

The important thing is synergy with the phone in question.

Zsx

With the zsx, the lack of impact that is lacking in both the bass and sub-bass has improved a little.

The mids have improved well, it has a thicker tone that is perceived in male voices.

And the peak in the treble was well tamed.
I would say that he married well.

Guideray gr-t20
In the guideray gr-t20, he doesn't match so well, because he already has a lot of low and mids, and not so high treble.
In this case the shanling m0 does a lot better as it has a cleaner and more accurate sound.

Kinera Idun
Idun also gives a good synergy for those who want a more fun sound, the bass increases what is good in this case.
Mediums are a little more weight.
But the treble curiously in this case seems to even increase

Conclusion
It's a great cost benefit for 20 dollars
I recommend the purchase, but remember to research if your smartphone is compatible with it
I
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Luan Lima

New Head-Fier
Pros: clear atmosphere
Bass attack has a good punch
good images
Cons: a subgrave may be missing
the lower mids lack a little more weight
Hello friends, today I come to bring a Review of kinera idun.
The Idun kinera is a hybrid in ear composed of a dynamic driver of 7mm + 2ba with 1 knowles balanced armor 32873 and the other from the kinera itself with the reference 30095 (this is apparently the one who treats the treble on this phone)
The phone has two "tubes" to direct the sound to where the tips are fitted, one outlet for the dynamic driver and the other for the two balanced armatures with a filter installed inside the tube.

Unboxing

It is a pleasant experience, I would say the best item I have ever bought.
The metal case is very well made and finished although it does not fit you to carry the phone around for obvious reasons.
A good variety of tips to choose from.
The warranty card and manual.
The cable is very good, has good quality and is soft in the right measure, his Achilles heel for me is not having a "guard" as soon as the cable comes out of the p2 connector.

Build quality

The evaluation model has the transparent Shell and the face plate imitating (I think) white mother-of-pearl, like the manufacturer's logo.
The construction quality is very good, with no burrs or sharp corners in the fit between the Shell and the faceplate, the internal part also has no details to mention.

Comfort and isolation

It is important to mention that the Shell is made of resin but the interior is not filled with resin, only what is necessary (very little) to hold the components together which makes it very light, but also prone to cracking depending on the fall.
The Idun is a semi custom, and the fit is very good combined with the lightness that I mentioned before makes it almost imperceptible in use.
In my experience, his size is medium, people with small ears, I think they will have no difficulty in fitting.
The insulation is very good although it is not filled with resin.

Stage and image

His stage is not so deep, but it does not feel artificial.
It has good width and the position of the instruments on the side is clear.
It has a good separation of instruments for that price.

Now for the main thing, the sound.

Low

Idun's bass is not overwhelming (but far from small) but he is there, it is more focused on the bass attack (for me the term that best suits this characteristic) than the sub bass (if you are a music lover) focused on that part may lack quantity)
But the bass is very well controlled, it has good speed, it leaves nothing to the speed of a BA for example.
The bass tone (the instrument) is very good and easy to notice (unlike the zsx for example)

Medium

Well, Idun's lower midfielders don't suffer from bleeding from the dynamic driver.
But I notice a decrease in quantity in relation to the bass (as you can see in this frequency response), which makes male voices not as heavy and full as I would like and is a portrait in my senior T4 (see that this is a phone that costs a little more than double, this is not demerit of idun) for example, and as in the **** h5 also that at the time I acquired it it was about 100 reais more than Idun.
The female voices have a good presentation.
The instruments have really high clarity on this phone.

Treble

The trebles on this phone are controlled, there is no sign of simbilancia.
It has an increase in the transition between mid / high and high that brings the clarity that I said before but if you are sensitive to "high" you may feel tired after 2 hours for example.
The treble sounds coherent, not too muffled or too airy.
It brings a certain shine, but it is not exaggerated.

Conclusion
For $ 100 there is no way not to recommend.
It's a great phone in this price range.
The sound in general I would define as fun, neither lacking nor remaining (too much) no frequency
In summary a good option for a hybrid phone for an update to the in ear data as "input"
Note: for the purpose of better understanding I will post the photo of the frequency response I took using a smartphone and the Dayton audio calibrated microphone, imm6 (with the Dayton calibration file inserted)
It is worth remembering that the frequency response is not exactly linked to the loudness, however when you listen to a phone and take your impressions and have the RF in hand, it is clearer the understanding of what you heard, and even without hearing a phone depending on your experience of to get a sense of what to expect.
And it becomes clearer to choose a phone when you already know the subscription you like and see the response graph before buying.
As I said about the weight in the middleweight, see that this small valley that has 125 to 1300 more or less is not so insignificant, there is at least about 4 dbs less.
And in the transition from mid / treble to treble you can see the small peak that I mentioned before

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Luan Lima

New Head-Fier
Pros: Great tonal balance
Great Bass for BA iem
Amazing mids.
Treble sweet and very detailed
Cons: Very poor unboxing experience
Hello friends, i'm new here in head-fi and I'm from Brazil, I'm using Google translator to write this review in English, so I ask you to forgive any mistakes you find.
I come here to bring my impressions about the in ear from hisenior audio, the T4 acquired by me at the end of November on Aliexpress and received in February of this year.

The Hisenior T4 is an IEM with 4 Knowles balanced armatures, with a choice of its UIEM and CustomIEM versions (you send your impression of the ear canal to the seller and he manufactures the molded earpiece to your ear), which has numerous customizable options To meet the aesthetic preferences of each one. The Hisenior T4 has a 4-way crossover and 3 distinct sound "holes" for the low, medium and high frequency outputs and uses the Knowles CI-22955 for the bass, the Knowles CI series is "known" for its use for low frequencies in EMI. The medium and high frequencies are handled by Knowles ED-29689 (who do a fantastic job in this region) and Knowles TWFK-30017 (double BA, the smallest double BA in the world).

The iem comes in a waterproof case, the unboxing experience is not "exciting" but if you are like me this is not what matters, but the sound.
Well here we are dealing with a $ 240 in ear (depends on the configuration that choosing the ciem costs more) mine was the universal version with two-pin fitting (you also pay a little more for the two pins).
You choose between several types of shell and faceplate available in the ad (some different ones have a value charged outside).
Remember that the signature can be "personalized" when contacting the seller. Yes, the handset is handmade, the seller knows a lot about the subject and this was simply the best shopping experience I have ever had, it is no wonder that he has almost 100% positive reviews.
As for the tips, there are many options (as you can see in the photos) I believe it will not be difficult to find one that offers a good seal.
As for my preferences for sound, I told him to have a considerable amount of bass because I came from a headset with the **** h5 that used the same Knowles ci 22955 that really didn't have the bass that I would like and I was afraid to get this new phone because of that and the same told me to be calm about this issue.
It is worth remembering that because it is made by hand and until the signature is customizable to your preferences, the seller asks for a time to manufacture and adjust the signature for about 10 days.

Build quality

We have an excellent job, I asked for that specific color but the seller didn't have real photos of the phone with this color option, but depending on which one to choose it will send you real photos taken from a smartphone.
The cable that came to me is an upgrade cable, which is very good, it feels solid and malleable in the right measure (different from the **** h5 cable which was hard and did not return to its original shape)
It has no steep corners, everything is rounded and with a perfect fit of the front panel with the phone body, the phone body is filled with resin which makes the phone solid.

Comfort and isolation

Well here is a strong point, its solid body provides excellent insulation, and very good comfort. The earphone never presses directly on the ear regardless of the tip I use, but it also leaves no space that impairs the isolation (as in the zsx for example). It is not a big phone, there is not much difference in size for the **** h5 or kinera idun for example.

Stage and image.

The stage is deeper than wide, there is no sensation of unwanted extension that leaves a wide and false sound stage, but devoid of presence. The images are fantastic and the vocal and instrument placement is also great. The panning motion from left to right is noticeable, but not so focused.

Low

Here we separate the men from the boys. As I said before about my conversation with Garrett from his senior about the bass, when listening to this earphone even without warming up the feeling was wooh here in there is even a ci 22955? It is just fantastic the bass produced by this phone, both in quantity and speed, texture and extension of the subwoofer (of course it does not have as much extension as the kz zsx for example) but it has the same depth as the sub and quantity of the attack bass (100hz ) of CCA C10 for example without that tremendous hole in the midfielders that we will talk about later.
And it has more extension in the subwoofer and a lot more bass in general than the kinera idun for example which is a phone that I like a lot too and is a hybrid phone with 1dd of 7mm pro bass and 2ba from knowles too (of course more series cheaper than those in t4)

Medium

Here again it was a victory, which are those produced by Knowles ED-29689.
And look, I came from a **** h5 that is a reference in medium.
The midfielders here have a good weight, male voices have a good vibration very naturally, without ever seeming to resonate, instruments that work in this range are very apparent and clear.
The female voices are presented in front but without that feeling of incomplete because the in ear has a reproduction too thin.

Treble

Here we have a clean and impeccable reproduction, which leaves the hearing in great detail without any type of fatigue.
The sound of the cymbals and the simbal on this phone is divine, you feel it from beginning to end of each ring without bothering you with time
The treble has a good amount of air without looking "artificial"
Far from simplicity and fatigue, I can hear this phone for hours and it was without tiring.

Conclusion

It is also worth mentioning that this phone needs a DAP (digital audio player) or at least a dogle DAC in the cell phone, not because of the need for "power" but because an ordinary cell phone or PC cannot show what this phone has to offer and it's a waste.
My dap is for entry, it is a m0 shanling that costs around 100 dollar
I don't have any other headphones in this price range and in fact from what I found on it I don't even need it.
You may be asking yourself: but no negative points?
The answer is no, this is how a in ear should sound. This is a phone for all types of music and all tastes.

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