Previously known as sub30
Pros: Beryllium for cheap
A smooth signature you can relax on
Sounds like a warm pair of earbuds with the bass extension of an IEM
Comfortable shell available in a variety of colors
Excellent 4-core cable for the price
Generous tip selection
Cons: Treble extension
Lots of competition in this price point
Maybe too safe sounding for some

I would like to thank Tinhifi for providing a review unit of the T1 Plus. Rest assured that my impressions written in this review are my own personal thoughts and opinions and in no way influenced by outside parties.

I am not an expert in this hobby nor claim to be an audiophile. I just love listening to music and am fond of writing articles.


TinHiFi. Quite a legend of the Chi-Fi world if you ask me. Here we have the T1 Plus, a sub-30 USD single-DD IEM that utilizes a beryllium-coated driver. As far as I’m aware, this is the cheapest IEM that utilizes such a driver (on Shopee and Lazada). It lives in what I see as the most competitive market of the IEM world. It also utilizes a QDC connection so aftermarket accessories shouldn’t be a problem. Does it keep up with the pack leaders or gets lost in the crowd?

These were plugged to my Oppo Reno 4 with the Earstudio HUD100 MK2 (bypass mode, high power) for the review, at low-medium listening volume.


Build and Comfort:
The T1 Plus utilizes a light and comfortable shell. It is essentially the same as one of the IEMs I previously reviewed (KS1), with the shell being slimmer than the generic ones, and thus sitting flush on your ear. Nozzle is plastic, rather short, and I would’ve preferred something in metal, but in this price point, I’d say it’s still acceptable. Insertion depth will depend on ear tips used and ear anatomy. In my case, it was a normal/usual fit. Cable, meanwhile, is excellent. It’s 4 cores, with a metal splitter, jack and a plastic cable holder. It is quite soft and the earhooks are shaped perfectly to fit most ears.

Package: 3 pairs of normal-bore silicone tips (S/M/L). 3 pairs of wide-bore silicone tips (S/M/L). Paperwork. QC certificate. 4 core cable (w/ mic option).

Now, onto sound:

For this review, the IEM was left in stock mode, using the stock wide-bore tips (small).



Definitely elevated. An impactful, warm-sounding bass response. Extension is decent for the price, and is of the average attack, slower decay type. For the tuning that the T1 Plus is going for, it fits the bill. However, this is something I see as a con as it won’t be able to keep up with faster bass lines, resulting in a monotonous line with sub-par texture. Mid-bass bleed is noticeable and influences the midrange, which will depend on user preference.

Midrange: If you’ve ever listened to a warm pair of earbuds, these are the most similar sounding IEM to them. The T1 Plus has that distinct “thickness/rich” (IOW, colored) to the midrange that won’t ever fatigue the listener. And that's not a positive thing for me as it takes away the natural tonality and definition of the midrange. No harshness in the upper midrange whatsoever because of the influence of the mid-bass. I personally do not prefer this as it hides texture and bite, particularly in the veiled vocals, male and female alike.

The earliest roll-off I’ve heard in an IEM. Again, it is very, very, and I mean very earbud like. Soft and delicate sounding but is controlled and splash is nonexistent. For those looking for that brilliance, air, presence, zing or any other word associated with the highs, kindly look elsewhere. No harshness, whatsoever, as is obvious with the tuning and is very forgiving of bad recordings.


Really reminds me of an earbud I have. It has that colored timbre when music is portrayed.

Soundstage, Imaging, and Separation: staging is intimate due to the elevation in bass and roll-off in treble. Imaging is adversely affected by this as well as the separation. When there are multiple instruments playing, it’s difficult to pinpoint where exactly each one is placed and they often go over each other.

Detail-retrieval: Due to the early roll-off in the treble region and the elevation in the bass region, detail is hidden in the mix.



I can see the appeal of the T1 Plus. It will definitely perform in certain genres and media consumption but the tuning isn’t versatile. Though it is still a V-going-U, the T1 Plus does offer a rarer “relaxing and colored” signature compared to its peers, granted that you can survive the elevated bass, rolled-off treble and rather intimate staging. A job well done for TinHifi providing the cheapest beryllium-coated IEM in the market at the time of this review. It does do well in poorly-recorded tracks because of the tuning, avoiding harshness and sibilance.

****If you have other questions/concerns with the IEM mentioned, feel free to message me****
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Have you tried using a copper cable ? Pure copper really shines and the kbear expansion cable makes the treble peak alot more
I have not. It is worth mentioning that I also sit on the "case-by-case" table with cables and sonic changes 😅

Also won't be able to test it anymore as I've only got one working condition side. The other got mauled by our dog... Thankfully, he didn't swallow the driver 😬
That's gotta be rough mate I've heard of others getting there's chewed by the dog haha


500+ Head-Fier
TIN HIFI T1 Plus – warmth and thickness on a budget
Pros: good bass extension, excellent mid bass, good articulation, thick and warm mids
Cons: moderate stage
Never had a chance to play with product from TIN HIFI brand before. We’ve seen a lot of positive feedback about various IEMs of this brand on Facebook pages, in posts or comments which have raised our expectations preliminary to the arrival of the today’s topic sample. It is always kind of tricky that the information coming from net builds our perception of a product that we have never seen or touched in a real life. Sometimes such expectations crashing against the wall of reality and sometimes become a proof that masses don’t lie. Anyway, today we would either prove or object that TIN HIFI – quite young but already popular brand – is worth of our attention.

Just a note about the company: yes, TIN HIFI is from China (Zhongshan Dongting Electronics Technology Co. Ltd.) and as declared at official website this company was long involved into OEM/ODM manufacturing of HiFi products before they’ve started own brand in 2017. Product portfolio consist of 9 IEMs and what is the most interesting – couple of those are planar driver-based models with very competitive pricing. Hope that we would grab one of those somewhere in the near future as such offers and technology in IEMs are still rare on the market. But we would review the cheapest of their single beryllium dynamic driver models today – T1 Plus.


T1 Plus specs:
  • Driver: 10mm beryllium diaphragm
  • Sensitivity: 105dB/mW
  • Impedance: 32ohms
  • Frequency response: 10Hz – 20kHz
  • Jack: 3.5mm
  • Cable: 1.2m±3cm, silver-plated, detachable,
  • Cable connectors: 2pin/0.78mm
  • Weight: 6g (without cable)

Packaging and design:

TIN HIFI T1 Plus IEMs come in relatively small square-shaped white box free of any elements except brand and product name printed at the front and company information – at the back.


Inner box space is split into three compartments: soft insert holding IEMs, audio cable beneath it and separate box for the accessories. Entire set consists of T1 Plus IEMs, 6 pairs of silicone ear tips and audio cable.


IEM shells consist of two parts – base and top plate. The latter can have different color paint which is actually filled from inside, leaving the facing side glossy and the paint protected from scratches.


Base part is totally transparent with all of the construction exposed to the owner. Shell material is not disclosed by the manufacturer but seems to be some kind of mix of plastic and resin. Couple of compensational openings per channel on the base and barely visible brand and model name imprints on the edges.


Sound output nozzles are molded as a part of a shell while protected with very thin nylon sound filter. Very good and durable cable connectors – both protrude from shells to eliminate bending.


On the other hand – such design of cable connectors is not universal and the choice of the spare cables with the best fit would be limited to few.


Stock cable seems to be pretty nice – aluminum elements with gold-plated 3.5mm TRS plug, transparent resin 2pin connector housings, in-built ear guides and channel indicators. It is formed by 28-core 0.05mm silver-plated copper wire.

T1 Plus fit should be good for most of the people due to the combination of quite long nozzles, light weight, ear guides on the cable and small/thin natural profile. 4 people tried and have not faced any issues which makes us believe in T1 Plus versality.


In overall, we like how T1 Plus IEMs are designed and made. Transparent units always caught our attention showing the accuracy of manufacturing and assembling processes. You can even see tiny cables and soldering points from 2pin connectors to dynamic driver unit – everything looks very neat.

Sound quality:

Our testing equipment: Hidizs AP80 DAP + xDuoo XD05 Plus DAC/AMP



Seems to be the most accented range in T1 Plus with all consequences it makes further on the sound. Bass is deep, extension is impressive. It is neither too fast or too slow and doesn’t sound detached from the whole sound picture. Although, the resolution and texturing might have been better. Sometimes lows are kind of diffused and might bleed and overshadow mids. The influence of lows on the overall tonality results into fairly warm and dark sound, rich of bass and thickness on mids.

Mid bass is decent — powerful and full-bodied. Great articulation and dynamics, drums do sound engaging. Warmth and thickness of lows result in interesting emphasis on volumetric parameters of soundstage.



Instruments and voices in mids sound natural and rich. Appealing thick sound of tube-powered electric guitars rich with different harmonics that make those IEMs a good choice for rock, blues and other similar genres. Male vocals sound slightly more distant while upper mids are more elevated. Female vocals never sound harsh and don’t show any unwanted hisses. Mids are in fairly good balance with lows, enriched by its influence (thickness of notes) but sometimes struggle to stand out and loose the lead. This effect is not too harsh though and mids still make very good impression of warm and velvet timbre.



T1 Plus treble range is slightly more powerful than mids, definitely leading in gain and somewhere close to the power of lows. Such slight V-shaped tuning helps T1 Plus sound to have enough air and transparency while not falling into very dark signature. Elevation is very reasonable, treble portion is clear and accurate but not excessive. Extension and resolution are moderate with the most of the potential revealed in music genres saturated with string or bow instruments. Although, treble might sound a bit indistinct and soft when it comes to bass-oriented tracks.



Some controversial results here. Binaural recordings that are intended to create additional scene depth and width show moderate effect and distance with T1 Plus IEMs. Whereas some regular recordings sound more expanded to sides and show good instrument separation and larger stage.


Sound in overall:

We would say that TIN HIFI T1 Plus are closer to warm or dark signature IEMs with well-developed and accented lows that result in thick and vintage sound on mids. Midbass is decent, while treble might feel a bit soft. In overall, such IEMs are very good for slow vintage music and would suffer from feeding something from modern electronic genres. Also best to be used with high quality neutral or cold sources.


Compared to Hidizs Seeds:

Hidizs has lowered the price for Seeds down to $30 (from 70) which makes those one of the best IEMs in class. Seeds are more transparent and have much more developed treble range despite being based on single dynamic driver as well. Seeds sound more airy, precise and balanced but they are not so good in terms of fit and also don’t feature detachable audio cable.


Compared to Tanchjim Cora:

Core is another representative of single dynamic driver IEMs with bright and transparent sound with very good treble reproduction. Cora also wins over T1 Plus in this but lacks in terms of bass extension and midbass power. But the worst about Cora is very individual fit and non-detachable audio cable



Budget IEMs with in $30 price range is kind of rare testing equipment for us. During this particular test we have came up with two main conclusions: even such low-priced IEMs as TIN HIFI T1 Plus might outperform more expensive models in some aspects of the sound and that T1 Plus is definitely providing one of the best price to performance ratio in its class. We did not expect such decent build quality in this budget, universal fit, detachable cable feature and what is the most important – sound that is almost on par with certain more expensive models. We are talking mostly about the performance of lows and midbass as well as about its pleasing influence on mids. Nowadays, T1 Plus warm signature with thick sound is encountered much less often than bright and cold V-shaped tuning. Interesting is that among all dark single dynamic driver IEMs T1Plus do sound the most engaging so far, despite being on a budget. Not saying the best since some lack of texturing and extension is evident, but definitely the most interesting – when the dark signature is obvious but the treble is still very adequate. Like!

TIN HIFI T1 Plus available at HiFiGO official store: LINK


New Head-Fier
The bass boy
Pros: very good wearing comfort
appealing bass performance with a rich punch
Cons: high frequency roll-off
sometimes glaring mids
muffled, veiled sound
Rating: 7.2
Sound: 7

TIN HIFI remains a bit of a grab bag when it comes to the sound quality or rather sound characteristics of their products. The reputation through their T2, they have slowly used up and one no longer has the feeling that every new release from the company must be a world hit.
However, it should also be mentioned that TIN HIFI tries to cover a wide range with their products and that therefore not every IEM can meet your own taste, should also be clear. From this point of view, you can not blame them (as long as you do not expect a neutral and natural sounding IEM from the company with every new IEM release), but should simply see which IEM of the TIN HIFI family meets your preferences best, because there is enough choice.
The T1 PLUS is a bass-rich and dark IEM that will please some bassheads, but has some tonal weaknesses.

Actually, TIN HIFI often makes the effort with their products to leave a professional and high-quality impression, both in the processing of the headphones as well as in the packaging and accessories.
Thus, we have so far been spoiled by the scope of delivery and the consistent metal construction usually above average in the respective price segment.

The T1 PLUS is a pure budget IEM and this time you can see that at first glance. TIN HIFI makes no effort to disguise the low price here, but it doesn't need to, because even if the plastic case and sparse accessories don't make your jaw drop, this is good standard in the price range.

The packaging reminds a bit of the current budget models from Moondrop (SSR & SSP), but in plain (cheap), without artwork or the like, whereas the cable (4-core/2-pin) as well as the silicone tips show parallels to the BLON BL-01, which especially does not speak particularly for the cable. It is usable, but fiddly and tends to get knotted.

The case is made of full plastic, but that doesn't bother me much, since the comfort is absolutely right for me, which is also achieved by the low weight.
Sure, the T1 PLUS looks a bit cheap and even KZ and TRN have in the past at least put value on metal faceplates, but on the exterior it matters little to me, as long as the IEM is comfortable to wear.

The isolation is quite okay, but would perhaps have turned out even better with a resin or metal housing, as these can swallow more level, rather than the thin and hole plastic.

At first listening impression, I was a bit baffled, as I didn't expect such a sound presentation from TIN HIFI, in a negative sense. I don't know how the T1 (predecessor) sounds, but the T1 Plus is very bass-heavy and darkly tuned. So far, TIN HIFI was more known to me for a brighter and more neutral presentation, but I am open to new things.

The bass can be a bit of a force of nature, especially when you add fire under its butt. It's not always the firmest, and the mid-bass emphasis can be overpowering at times, but it's a tasty snack for the bass hungry. The punch is really noticeable, although that alone doesn't make a bass, at least not for me, but can be a lot of fun with hip-hop or electro. The T1 Plus provides me with a quantitative bass that can definitely excite depending on the genre, but I still find it lacking in subtlety and some texture, especially when it doesn't really need that much bass. Still, I see the bass as a clear strength of the T1 PLUS and it feels particularly at home in hip-hop.

The mids are clearly a victim of the propulsive bass, as they get too much body and warmth. In addition, they lack assertiveness and thus sound somewhat muffled depending on the song material. This is slightly cushioned by the boost in the direction of the high-frequency transition, but this also leads to a garishness that often resonates slightly, especially with voices, which I don't find particularly authentic. Instruments also have a somewhat slanted tonal character. Here I feel negatively reminded of the new SHUOER TAPE PRO. Especially when a lot of information comes together, the T1 PLUS often gets a bit carried away and it becomes exhausting for the listener.

The comparison with the TAPE PRO is not so far off the mark, as both share the extreme level drop after 4-5 kHz. This makes them unnaturally mid-focused with bass emphasis, which cannot be picked up in the treble. There is a lack of extension and brilliance, although I always find that word a bit fuzzy. I miss transparency, the feeling of clarity as well as openness and I have to listen very closely to locate details. For me, the treble is just within the acceptable range. It may not get much darker, but for that sibilants are not an issue at all.

The stage is more extended in width, though clearly compressed. In addition, there is an average separation that lacks "sharpness", so that instruments often blur into each other. Imaging is a bit of a mess in places, and so critical listening isn't really possible for me either. However, it is sufficient for background music.

Where the T1 PLUS can actually add value is with poorer/compressed recordings (whether that's in favor of the T1 Plus or not remains to be seen), as it handles this input very generously, also due to the strong rolling high frequency. Likewise, it works well in parts with rock/punk. Drums can make a decent ruckus without the cymbals getting too tinny, at least not really audibly, and electric guitars have a fat sound (if you're into that).

Otherwise, TIN HIFI has released an average budget IEM that you can visually see and hear the price. For pure bassheads, however, it is perhaps just the right niche product in the TIN HIFI product family.
Admittedly, one also gets used to the sound presentation, so that the T1 PLUS doesn't sound so dark and depressed after a short time. However, this then becomes apparent again quite quickly when switching to a tonally more natural IEM.
TIN HIFI shows KZ that it only needs one driver instead of 10 (ASX) for such a signature and that at a quarter of the price if you are looking for such a sound.

More reviews: CHI-FIEAR


New Head-Fier
Pros: Budget Beryllium Bass Cannon, Small and light IEMs good fit for smaller ears
Cons: Cheap Build and cable, Poor resolution, Bass-oriented sound not to my taste


Disclaimer: This review set is a demo set graciously lent to me by a friend from his personal collection. This review is written of my own accord and all thoughts here are my own. For more reviews like this, check out

TinHiFi has been on a spree recently, with the recent releases of the T2 plus and P2 Planar earphones. Today we have the T1 plus with us, the first plastic shell budget dynamic driver earphones from them. This pair of IEMs stands out with its very different design scheme compared to TinHiFi’s signature silver full-metal IEMs. They feature a beryllium-coated diaphragm dynamic driver and without further ado, we shall take a look at how they fare.

Accessories and Build Quality (Score: 6/10)


It comes in a neat little box, and given its size, I was expecting much more than what was given. You get the bare necessities, a rather cheap-feeling 2 pin Cable and silicone tips.

Build Quality isn’t very confidence-inspiring. To be frank, it is the cheapest looking and feeling IEM I have had in a while. Even the QKZ VK4 at less than half the price had a more impressive build, but coming in at 20+USD, it's very much still acceptable.

Fit (Score: 7/10)

Fit is alright, though not the best for me. The nozzle felt a little too short, and the shell is tiny, even for my slightly smaller than average ears.


Sound (Score: 6.6/10)

I would describe the sound signature as a rather common V-shaped sound with an emphasis on the bass region.

Sources Used
  • Hiby R5
  • Lotoo Paw S1
Albums and Tracks tested with
  • Akira Takeda and the Japan Ground Self-Defense Force Band - Arnhem
  • Jersey Boys Broadway Recording
  • Joan Jett and the Blackhearts - Greatest Hits
  • AJR - Neotheatre
  • NEEDTOBREATHE - Out of Body
  • Scary Pockets - Sca Ryp Ock Ets
  • Michael Bublé - Christmas (Deluxe Special Edition)
Bass (Score: 7.5/10)

Overall, there is a big emphasis on the bass, which is intended focus of the T1 plus given the Beryllium coated dynamic driver design. There is a significant mid-bass bump that seems a little bloated and a little overpowering. It drowns out the sub-bass and lower mids a little. The lack of definition and detail retrieval severely impairs the performance of the T1 pluses. The attack on drums and bass beats were very blunted on tracks by Joan Jett and from the Jersey Boys Musical. However, being the stars of the show, and at its budget price tag, the bass still is by far the best performing area and does give sufficient rumble in the bass that bass heads would love. I couldn't help but notice the dominant bassline in Miley Cyrus' "Party in the USA".

Mids (Score: 6/10)

The lower mids are slightly recessed and thrown back, as expected of the V-shaped tuning. Vocal tonality is warped. Male vocals sound a little hollowed out and lack the texture and body. This is quite apparent on the male vocals in NEEDTOBREATHE and Scary Pockets "Love on Top".

Things pick up a bit in the upper mids, where female vocals and trumpets come in as the only other things sharing the stage with the bass.

Treble (Score: 6.5/10)

Treble rolls off quickly, and even the lower treble takes a backseat. This gives you a non-fatiguing sound, but also one that is kinda boring. The best thing the treble did right was its inoffensiveness. What I didn't like was the lack of details and poor technicalities. It sounded quite messy and grainy, once again consistent with the "cheap-sounding" signature.


Imaging seemed messy at times, instruments sound weird. One of my biggest gripes with the T1 Plus is how snare drums sound. They sound unnatural, lacking the depth and just had a weird tonality.


VS Jade Audio EA1

The Jade Audio EA1 is also a Beryllium coated driver and costs about $5-10 more than the TinHiFi T1 Plus. Differences are immediately visible, with the better build quality and aesthetics on the cable, and the inclusion of a well-made soft case.



Tonally the Tin T1 Plus sounds tonally incomplete. At this price point, being tonally pleasing should be the priority. I think there are others in this price bracket that perform decently well, even if their technicalities may not have been there. The build quality is nothing to scream about as well. The Tin T1 Plus may have been passable a year ago, but right now, there are just too many IEMs better that there doesn't seem to be any place for it. For casual daily use, the T1 Plus does the minimum required of it and doesn't have any worrying flaws. However. for a company like TinHiFi which has been rather consistent, I honestly expected more.
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500+ Head-Fier
Love at Second Sight
Pros: Balanced, homogeneous and warm sound.
- Quality of its middle zone.
- Excellent quality/price ratio.
- Ultra-light weight, remarkable fit and ergonomics.
- Good cable.
Cons: Extension of the upper area somewhat limited.
- No bag for storage.

Tin HiFi is back, or rather, it doesn't stop. There are no more presentations, for a brand of headphones that this year is being very active, creating great products. Their previous model, the T2 Plus, for me, is one of the best IEMS in its price range, for its quality and special tuning, of all those I have been able to try. Now, they return with a new economic model, whose profile is based on the classic V, but revisited. With a driver covered with 98% beryllium, a material whose exceptional combination of rigidity and lightness, offers physical characteristics very suitable for this purpose. All this is encapsulated in a very ergonomic and ultra-light packaging, of only 3.2g per capsule. Available in 4 colours (white, black, pink or green), the T1 Plus adopts the classic 2Pin 0.78mm connector, to offer the best versatility when choosing a new cable. Although, perhaps not necessary, because the 28-core silver-plated copper cable is good enough not to have to change it, raising the level of its theoretical rivals.

Let's look at the rest of the features of this promising model and, of course, how they sound.

Tin HiFi T1 Plus 01_resize.jpgTin HiFi T1 Plus 02_resize.jpg


  • Drivers type: Dynamic 10mm, with beryllium diaphragm and dual magnetic circuit N50.
  • Frequency Response: 10Hz-20kHz.
  • Sensitivity: 105dB/mW.
  • Impedance: 32Ω ± 15%.
  • Nominal power: 3mW.
  • Maximum power: 5mW.
  • Maximum Distortion: 1% @1kHz 0.126V.
  • Jack connector: 3.5mm, straight, gold plated.
  • Capsule Connection Type: 2Pin 0.78mm, gold plated.

Tin HiFi T1 Plus 03_resize.jpgTin HiFi T1 Plus 04_resize.jpg


The Tin HiFi T1 Plus comes in a white cardboard box measuring 121x121x42mm. There are hardly any inscriptions on it, only the brand logo in black in the lower left corner and the model in the upper right corner. On the back side 3 QR codes, an EAN13 and where it has been manufactured. After lifting the lid, you can see the capsules embedded in a white foam mould and underneath, a white cardboard box. After removing the mould and the box, you can see a booklet of instructions, in Chinese and English, where the specifications come, among other things. Inside the box there is a cable and a transparent zip bag with silicone tips. There are two sets, one with a wide channel and one with a narrow channel, all in grey. The cable is black, with four braided and knotted strands. In short:

  • Tin HiFi T1 Plus capsules.
  • A 4-wire cable with 2Pin 0.78 QDC connection.
  • 3 pairs of grey silicone tips, narrow channel, sizes SxMxL.
  • 3 pairs of grey silicone tips, wide channel, sizes SxMxL.

The cable has a velcro strip to collect it, but there is no bag, cover for storage and protection. The price is low, but the storage bags cost very little, including one would have been desirable. As for the two pairs of silicone tips, it is good that such a variety exists.

Good and sober presentation, of contained size, well protected, although something big for not having neither drawings, nor specifications, nor sheath.

Tin HiFi T1 Plus 05_resize.jpgTin HiFi T1 Plus 06_resize.jpg

Construction and Design

Tin HiFi T1 Plus are very light, only 3.2g per capsule. Made of polycarbonate, it offers 4 colours to choose from (white, black, pink or green). In my case, the model is black. In fact, it is almost translucent grey, whose external sides have a slight mixture of glitter, without being very evident, so that the inside of the capsule can be seen. This external face has the shape of the African continent, but with very rounded curves. The thickness is medium and the inner side is smooth and gently rounded at the edges. At the foot of the nozzles, there are two letters R and L, to indicate the channel, in grey ink. Near them, on a steeper part, there is a hole. There is also another, on the other side of the letter, in the direction of the edge of the capsule. The nozzles form a single piece with the body of the capsules. At their base they have a slight step, followed by a central part with a smaller diameter, to end in a larger ring, in which the micro-perforated metal grid is located. In total, the nozzles are approximately 4mm long, with a smaller diameter of 4.8mm and a larger diameter of 5.8mm. The 2Pin 0.78mm connections are mounted in a protruding oval piece on the flat edge of the capsule. This structure supports the so-called QDC connector. Finally, following the edge adjacent to the connectors, the full name of the brand and model can be read in the same grey ink.

It should be noted that capsule size could be considered as a medium. Despite their lightness, IEMS never provide a feeling of fragility, as they feel solid and compact.

The cable consists of 4 strands covered with a black plastic. They are made of 28 silver-plated copper cores. In the common part, its braid is double, very tight between the cables of the same channel and again wound in pairs. The splitting piece resembles a small metallic cylinder, while the pin is spherical, with a hole in its centre, through which the cables pass. The plug is straight, also cylindrical, black, with a ring-shaped groove at the far end to the 3.5mm gold-plated jack. It has a small black rubber sleeve to protect the cable outlet. At the other end, the connectors are 2Pin 0.78 QDC, with black rigid plastic casings, with the letters R and L inscribed on them. Each one is angled at 120º. It has guides on the ear, somewhat closed.

The result is simple, but effective, without showing off, looking for solidity, a distinctive touch on the outer faces, with very light, soft capsules, with a very appropriate size and shape.

Tin HiFi T1 Plus 07_resize.jpgTin HiFi T1 Plus 08_resize.jpg

Adjustment and Ergonomics

The size of the nozzles allows a superficial adjustment, a very light and soft accommodation, with hardly any friction, with the parts of the ear. The shape and ergonomics of the capsules facilitate simple fitting, without the ability to rotate, making positioning a very simple operation, without being impaired by the guides on the ear, which the cable has. These guides do not have a very high rigidity, so they only rest on the ears, without offering hardly any pressure.

In short, the comfort is very high and the sensation of lightness, as if you were carrying nothing, is appreciable.

Tin HiFi T1 Plus 09_resize.jpgTin HiFi T1 Plus 10_resize.jpg



The profile of the Tin HiFi is based on the classic V, with emphasis on the mid-bass, mid-high and first highs. There is slightly more presence in the high zone than in the low. In addition, the valley is not very deep, leaving a lighter and smoother profile, with a good body in the lower mid-range. In the whole ensemble, containment predominates, more than the extremes, resulting in a sound that is not polarised at all, starting from the classic V-shaped personality, without excesses and adding cleanliness, dynamism and clarity, so as not to fall into the classic clichés of this profile.

Tin HiFi T1 Plus 11_resize.jpg


The lower zone is tight, with a sound based on the mid-bass, which knows how to control its extension very well, so as not to fall into the classic perception of a coloured and incomplete bass in its initial zone. It is not a powerful ultra-bass, but its emphasis begins at that lower border, giving a not inconsiderable depth, combined with the typical punch emphasized in its centre, with a successful and limited, quite enjoyable gomosity. From this point on, there is a slight linearity, which provides a wide and generous body, but with very good control, as it does not poison the rest of the ranges, but only provides a calm warmth, beneficial in the soft and generalized character of the sound. In this way, the lower zone is described as fun, but at the same time, serious in its approach, since its quality is no game. The result is a relatively fast zone, with a dry beat, which hardly leaves any deposit and a realistic sound, which does not try to colour the zone to increase its spectacularity. It is the classic low V zone, but adjusted to the current trend, which demands some basses whose emphasis is transferred to the sub-bass, with the intention of gaining cleanliness in the middle zone.

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Gone are the sunken mids of the classic V. This time, the voices can almost compete on equal terms, with the lower zone. They can't be said to be protagonists, but they don't feel behind at any time. It is undeniable that there is warmth in them and a calm reproduction, which is more concerned with recreating a wide and voluminous body, than with describing a more detailed, precise surface, centred on its nuances or on the drawing of its texture. And it is not that it suffers from it, since it can be easily distinguished and its smoothness discovered, but not so much as to discern a more interesting or complex roughness. In this sense, the analytical capacity of the T1 Plus, is relegated to a thicker plane, since its reproduction has a more mellow and pleasant tendency, more distant from a high resolution recreation. But this smoothness also receives a new treatment and I am beginning to suspect that this driver, covered in beryllium, has something to do with it. It is clear that the focus is not on texture, but on a more complete recreation of all the notes and sounds. And in this sense, the instrumentation benefits enormously, because it is at the same level as the voices, with a quite high expressiveness and recreation capacity. In this way, the central area feels very full, quite busy, but not dense or congested. There is warmth, as I have already said, but there is also air, body, volume, space and steam. Much of the blame for this feeling lies in the gentle fall of the bass to the midrange. So, it's how the first half retains that presence and volume. The second half emancipates itself with a higher tuning than the classical one, but without falling into the current trend of over-exposure of the upper mids. In this way, there is clarity and good light, but the mids are not perceived as completely bright or clean. There is a good balance between both extremes of the middle zone, a mutual respect, a favourable synergy that does not break that very well-balanced V profile, nor the warmth. This is how the upper zone provides sparkle, elevating the details, breathing in air so that the nuances are visible, but without them predominating over the musicality of the more important elements. However, there is no trace of sibilance or artifacts of this type. Although, it is true that the voices have a slight tendency to sound somewhat dry, sometimes achieving the opposite effect.

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V, not U, is how the Tin HiFi T1 Plus is tuned. And this is how the treble has that initial spark and its subsequent softening not without air. But don't think that the treble is dulled, but that its tuning is realistic and, in turn, very well integrated into the rest of the sound. The treble achieves a quite striking presence, without lasting longer than necessary, nor standing out above the rest of the range, recreating a very positive and pleasant balance, which greatly benefits the whole. Once again, realism reigns, with a tonality that does not lose its warmth, capable of generating some high notes without echo, although without too much projection; with a medium narrowness, which gives it its characteristic sonority. This is the price to pay for not going too far. It is clear that control prevails over sparkle and extension, preventing a greater deployment, beyond the first part, that allows a more exact and, above all, complete definition of the high spectrum. This explains this certain tendency to express the high notes with a more perceptible dryness, which prevents a more splashy, vivid, sparkling or crunchy sound. It's all about balance.

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Soundstage, Separation

The scene is perceived frontally and laterally, as if we were inside a cylinder, with good width, a perceptible height and better depth. There is a good amount of air, but an ethereal or very expansive scene is not shown. There is no sensation outside the head, but the recreation is more realistic, but without congestion. The three-dimensionality is not declared evident, although the positioning is not vague, since the origin and the trace of the sounds can be easily followed. Although the recreation of the different planes is somewhat diffuse, the depth is not perceived with much separation between layers. The instrumental distance is more than correct, the sound is not dense, but it is true that the space is not distinguished too clearly, but it is influenced by the warmth and softness of the sound. In this way, the background is not so dark, nor can it be distinguished clearly. But it must be stressed that the sound is not diffuse, but has a good level of detail, micro nuances and precision, quite high for its level.

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The profile of the KB04 has a more U-shaped tendency, with a clear emphasis on the sub-bass and, more pronounced, on the upper and lower mid-range. As a first impression, the sound in the KBEAR feels different, with a more perceptible depth, more clarity and cleanliness in the upper zone, but with a more distant and fine mid-range. Thus, its profile is sharper, focused on details, rather than on instrumentation or vocals. In this sense, the density of the mids, as well as their proximity and fullness, is much greater in the T1 Plus, offering a larger and more enjoyable sound, with more power, more palpable, providing a greater sense of immersion. Comparatively speaking, the instrumentation and voices in the KBEAR are thinner, cooler, farther away, with less body. This generates a cleaner, but also more hollow sound, where the high mids become more penetrating, being more likely to produce hearing fatigue, much earlier than with the T1 Plus. It is clear that the sound of the Tin HiFi is quieter, softer and warmer, the bass is not as deep and may not have the immediacy of the KBEAR, nor are its highs as precise, defined, clear, resolving and extended. But its sound is definitely more homogeneous, pleasant, full and balanced. The low end of the KBEAR is slightly tighter and more concise, less wide and perhaps a little more controlled and precise, as nothing escapes into the midrange. The T1 Plus offers a slightly darker lower zone, with a less defined, slightly thicker, but larger, hotter spot. In the midrange, the greater distance of the KB04 offers simplicity and lightness in the voices and also in the instrumentation. The texture generated is smoother and less detailed, with fewer resources than that expressed by the T1 Plus, whose richness in this range makes the KB04 pale. The turns are different when it comes to the treble: that simplicity and less extension is now revealed in the Tin HiFi, where the KBEARs show greater power, extension, quantity, expressiveness, resolution capacity, definition and proximity. The treble in T1 Plus is felt to be lower in relation to the expansion of the KB04. However, it is also true that this level has its consequences, which must be paid for, such as the possible fatigue that may appear, in people more sensitive to this range. Continuing with the advantages, the level of detail clearly falls on the side of the KB04, their finer and more crystalline top notes, providing more delicate, thinner, subtle, more projected and closer nuances. This increases the detail, which becomes more explicit, just as the greater extension gives more air to the overall sound. But the micro detail does not feel greater than the Tin HiFi. Smaller nuances are seen at almost the same level, unless they belong to the upper zone. By this I mean that the overall resolution level is quite similar in both models, just shifted according to the range.

The more U-shaped profile of the KBEARs, combined with the lower density of their sound and the air from the upper zone, results in greater separation and cleanliness in their sound. However, the scene looks different, it is difficult to determine which is greater, because its distribution is distinct. In the KBEAR, the scene is more concave, which is logical given the proximity of the extremes and the greater distance from the middle. In the Tin HiFi, the scene is more rounded, more frontal, tubular. There is more height in the KB04 and depth, but it is possible that the T1 Plus expand more in width, offering a more involving sensation and a more noticeable lateral scene.

Clearly, both IEMS are quite good in their range. But you have to take into account what you're looking for, to target one or the other. In addition, the construction and weight of each must also be taken into account. Comparatively speaking, the Tin HiFi T1 Plus are ultra-light, which is very noticeable when you put the KB04 in your ears, which is quite heavy, comparatively speaking, as it is made of metal.

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Blon BL-03

Any comparison in this price range, would be orphaned if not compared to the well known BL-03, the most hyped IEM in recent times. The initial differences are obvious, the Blon has a more U-shaped profile, with a low zone in clear descent from the sub-bass. Its highs are more extensive and with more air. But the mids feel more hollow, slim and fine. The Tin HiFis have a larger middle zone, with a different pitch of the voices, thicker in the low zone, less accentuated in the high zone. They are built with a fairly strong and wide body, with a different positioning, warm, which can sometimes be more cloudy, dark or influenced by the middle zone. In the Blon, this sensation does not exist; the voices stand out cleaner, but subtracting more distant, with a less evident, although clear, texture. The sub bass prevails over the mids, as do the highs, while the first half of the middle zone can feel more sterile and harmless. This does not happen in T1 Plus, quite the contrary, if we talk about that middle zone. In this case there will be followers and detractors of both models, although I think that a middle ground would be ideal. In my opinion the Blon should have a little more emphasis on the lower middle, or the T1 Plus less emphasis on that zone. The difference between the two, in this sense, is very polarized, and there is a clear possibility of debate between the two tunings: cleanliness of sound, body and proximity to the first mids. What is clear, is that, also in the lower zone this discussion exists. But, again, something in the middle would have been the best option, something like a slightly more linear sub-bass. For my taste, with genres where the lower midrange has more protagonism, bass, drums, even guitars, they have a body and a forcefulness that is not found in the Blon. For genres where the detail is more important, especially in the high part, the Tin HiFi are not so suitable.

The bass in the BL-03 is cleaner, somewhat more contained, slightly deeper. The greater width in the lower zone of the T1 Plus, provides that sensation of having a longer shadow and a little more darkness. Technically speaking I don't find one to be superior to the other, it's a matter of tuning. In the upper part, the wider Blon gives that extra that the T1 Plus lacks: extension, air and a bit more control. In this way, more separation can be seen in the BL-03, but a more concave and retracted scene. Meanwhile, the T1 Plus has more frontal and also lateral closeness, producing that higher immersive feeling. As the pitch, presence and sonority change at the top of both IEMS, it feels like the Blon produces more detail. But the level of micro detail in both is similar, maintaining an even ability to reveal more hidden nuances throughout the mid and low range.

The ergonomics of the BL-01 are curious and not all of them fit well. In addition, the choice of silicone tips can be more complex. Both the ergonomics and the adjustment of the T1 Plus is simple and easy, being very easy to find the best coupling, even with the standard tips.

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Every time I analyse a Tin HiFi model, I realise that it is not love at first sight. Its quality requires an effort, nothing is as it initially seems. The preliminary impression is not bad, although it seems that the T1 Plus has fallen into an ease in its profile. Nothing could be further from the truth. I think that there is a lot of maturity in this tuning, something that can be noticed in the weight of the bass, in the homogeneity of its mids and in its warm, but renewed tone. The passage of time puts in value this model so accessible and light. Its very pleasant sound allows long listening, which, in turn, allows a better delight of its texture, its surrounding scene and the fullness and quality of its midrange. I think that the Tin HiFi T1 Plus are absolutely essential in any ChiFi collection.

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Sources Used During the Analysis

  • Burson Audio Playmate.
  • xDuoo XP-2Pro.
  • ACMEE MF-01.
  • HyBy R3 Pro.
  • Earmen TR-Amp.
  • Earmen Sparrow.


  • Construction and Design: 80
  • Adjustment/Ergonomics: 85
  • Accessories: 55
  • Bass: 86
  • Mids: 85
  • Treble: 75
  • Separation: 73
  • Soundstage: 80
  • Quality/Price: 92

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Purchase Link

You can read the full review in Spanish here
Gracias, amigo.