TinHifi is a well-known brand for its inexpensive and high-quality IEMs. Established in 2017, they quickly gained fame for their C, P, and T series IEMs. Their T2 model became popular among budget-conscious audiophiles due to its balanced sound signature and high build quality. TinHiFi distinguishes itself by offering devices that blend modern style, long-lasting build, and refined acoustic performance, usually using premium materials such as metal housings and high-quality drivers. And the DUDU is not an exception. The metal shells house a newly developed 13mm planar magnetic driver, which is technically superior to the drivers in their popular planar IEM, P1. Let's take a closer look at DUDU to see what technical and musical experience it can provide!
TinHifi DUDU Review

My first TinHifi IEM was C2 Mech Warrior. I fell in love with the futuristic design, build quality, and fantastic midrange & treble details it can provide. And when I was first introduced to the DUDU, I was surprised by it’s build quality, like a tank! In my first audition, DUDU didn’t disappoint me. It delivers rich and soothing bass with milky midrange, which is detailed but not on my face, and the airy treble took my breath away! It paired very well with my Fosi Audion DS1, iBasso DC04 Pro, Celest CD10, & Cayin RU7. With my Hip DAC2, it delivers a bit of warm tone; on the other side, a neutral DAC like the DUNU DTC 480, it delivers a very controlled bass with more detailed & pronounced mids & upper frequencies. I enjoyed these differences in pairing! The low-profile pure OFC copper cable is fantastic and capable enough to drive, but I experimented with some OCC copper cable like the DUNU Lyre mini & NiceHCK MixPP. Supplied ear tips are good enough, but you may try the DUNU Candy for its comfort in long listening sessions.
DISCLAIMER
SHENZHENAUDIO was kind enough to send me the DUDU to review. I am not affiliated with SHENZHENAUDIO and of course, I was not asked for any copy-checking before publishing. All opinions shared in this review are my subjective thoughts.
One thing more: The review is based on my personal experience and what I hear using different sources. Your experience may vary due to personal preference and physical differences like the shape & depth of the ear canal.
For your personal purchase, checkout GEEK MART or SHENZHENAUDIO for their fantastic products and promotions (non-affiliated link).
GEAR USED
● DAP: Cowon Planue R2, Tempo Tac V3
● DAC: ifi Hip DAC 2, Cayin RU7, iBasso DC 04 Pro, Dunu DTC 480, Fosi Audio DS-1, Celest CD-10, Hidizs SD8 Pro Robin, Moondrop Dawn Pro.
● Smartphone: Poco X3
● Files: Spotify & local Hi-Res FALC & DSD files.

TECHNICAL SPECIFICATION
● Driver: 13 mm Planar driver
● Frequency response: 20 hz – 20 khz
● Impedance: 32Ω
● Sensitivity: 103 dB
● Cable: High-Purity Oxygen-Free Copper Cable
● Connector: 0.78mm 2-Pin Connectors
● Plug: 3.5mm single ended & USB C
● Ear tips: Medical grade soft silicon & Foam
BOX CONTAINS
● TinHifi DUDU IEMs
● High-purity OFC copper cable with 3.5mm jack
● High-purity OFC copper cable with USB C connection
● Two types of silicon ear tips (S/M/L)
● Foam ear tips
● Official papers

UNBOXING EXPERIENCE
A small package with a straight-forward approach. Open the cardboard box, and inside it everything is there under a padded cover. The TinHifi DUDU is stuffed in a foam cutout. Beside this, there is a paper box, inside which you will find two sets of OFC copper cable with 3.5mm & USB C connector. Along with this, you will get two types of silicon ear tips (red core narrow boar & black core wide boar) with three different sizes and a pair of foam tips. In my point of view, the inclusion of the foam tips is a thoughtful thing. But there is no carrying pouch or storage box. An IEM with a USD99 price deserves a good pouch, right? Other than that, it’s a very good experience.


BUILT QUALITY & DESIGN
TinHifi DUDU is a look alike of their T5S IEM; the shell design is almost the same. DUDU is crafted from aerospace-grade aluminum, which make it lightweight and robust at the same time. When you hold it, you will feel the confidence of durability and long-lasting service. The face plate has vertical line-type texture in it, which is not attractive in my point of view. The logo shifts color with the reflection of light and it’s interesting. TinHifi calls it ‘chameleon panel.’ The nozzle is shorter but not thin nor fat. Stock cable is fantastic with a very low profile design. It made of pure OFC copper and is soft. Ear tips are made of soft silicon and they are comfortable to wear but due to shorter nozzle size, they don’t seal well. TinHifi DUDU IEM and accessories are well-built and show their attention to details.



FIT & COMFORT
TinHifi DUDU is made from high-quality aluminum, which makes this IEM lightweight as well as sturdy. Due to its light weight, it feels very comfortable in the ear. But there is one problem, which is a fit issue. DUDU’s nozzles are on the shorter side, which makes good seal & fit a bit tricky. You need to pick the perfect ear tips, which you will find convenient. Stock ear tips didn’t fit well for me. Supplied cables, both with a 3.5mm jack and USB C connector, have a low profile and are very soft. They feel comfortable to wear over the ear, and the ear hooks didn’t make any discomfort, and it has almost zero microphonics. In my long listening sessions with DUDU, I find it really comfortable.
I will cover the cable and ear tips rolling later in this review.


SOUND IMPRESSIONS
TinHifi DUDU is a warm-tuned IEM that mostly emphasizes mid-bass, which has a thump and has a bold character in it. Midrange is quite open and detailed compared to other warm-tuned IEMs on the market. Vocal is not totally laid back but not forward either; it stays in the middle without any shout. Instruments are well separated with a moderate feel of space. Treble is a bit less pronounced than the midrange; it has air & extension though. But not spicy nor super dry. It seems TinHifi did a great job tuning DUDU. But this is a source sensative IEM, as much as I tested and found. So if you pair it with a bright or neutral type of source, the mid-frequency will come forward with less sub-bass and a tight & punchy mid-bass, while the treble will produce some artificial spark. But with some analog source like Cyin RU7 or iBasso DC04 Pro, it will deliver a smooth and silky sound that any ‘warm head’ will fall in love with!
Remember, DUDU has some planar timber which may not suite to some listeners.
Now before jump to the main part, lets take a look at the frequency graph of DUDU-

SUB-BASS
TinHifi has tuned the DUDU with a focus on mid-bass, but this doesn’t mean the sub-bass is lacking. In fact, the sub-bass quality is impressive, offering a warm, loose body that is smooth and melodic. While the bass quantity might not satisfy hardcore bass lovers, the sub-bass still provides an enjoyable presence, even if it lacks some texture. For example, when bass strings are playing, you might not catch all the fine details, like the impact of each stroke, but you’ll still feel a rich, full-bodied bass. Though the texture isn’t the highlight, the extension in sub-bass is surprisingly well-executed, delivering a deep, satisfying low end. Hats off TinHifi, for how well they’ve achieved this balance, making the extended bass response a strength that can overshadow its minor shortcomings in texture.
Tracks used:
● I’ll be watching you- The Police
● Catch the Rainbow- Rainbow
● Everybody Hurts- R.E.M
MID-BASS
Now, let’s talk about the highlight of the TinHifi DUDU—the mid-bass. It really hits the sweet spot with a bold, hard thump that delivers a punchy and satisfying sound. It might sound a bit crazy, but it’s true! I found myself completely lost in the well-pronounced, full-bodied mid-bass. It has a powerful presence and authority, yet it does not dominate the mid range, keeping everything balanced and in place. When used with a neutral or bright source, the mid-bass seems tight and has some speed to it. When using a warmer or analog source, the sound becomes slightly looser and more textured. TinHifi has done an outstanding job of tuning the mid-bass, resulting in a sound that provides pure enjoyment without overwhelming the other frequencies. The DUDU stands out due to its excellent balance.
Tracks used:
● Sara- Starship
● Final Countdown- Europe
● Take on me- A-ha

MALE VOCALS
The TinHifi DUDU delivers male vocals with a pleasant weight and a melodious tone. The vocals have enough texture and substance to make them enjoyable. Personally, I loved this style of presentation, as the vocals sit perfectly centered—neither too laid-back nor overly forward. They manage to stand out without blending into the background. That said, the vocals can feel less rich, lacking a bit of fullness. This becomes especially noticeable when paired with bright or neutral sources, where the male vocals may sound a bit more forward and slightly shouty, which can cause fatigue over time. On the other hand, when paired with warmer or analog sources, the DUDU’s male vocals gain better texture, body, and fullness, offering a more enjoyable experience.
If you’re looking for clean and neutral-sounding male vocals, the DUDU will suit you well. But if you prefer richer, meatier vocals, I recommend using it with a warmer source to achieve that fuller, more textured sound.
Tracks used:
● The Thrill is Gone- B.B.King
● Welcome to the Jungle- Guns N’ Roses
● Forever & Ever, Amen- Randy Travis
FEMALE VOCALS
TinHifi DUDU stands out from the crowd when it comes to producing female vocals, especially for those who loves it shiny & clear. It delivers female vocals close to their natural tune & precision, which makes them enjoyable to listen and distinct them from other instruments at the same time. Speaking of the higher midrange, it’s here where the DUDU really shines by subtly showing the subtleties of the females’ vocals and giving them a very realistic feeling. This makes bright voices and instruments shine, adding to the overall engaging sound. Due to the IEM’s slightly bright upper midrange, pairing it with neutral or bright sources might make vocals slightly too forward or even sibilant to some listeners’ taste. Long listening sessions might be fatiguing. Coupling the DUDU to a warmer source smooths the high frequencies down, making them much more enjoyable.
Finally, if you like clear and realistic female vocals, then the TinHifi DUDU is a great experience. But for people who are sensitive to brightness, or want a more relaxed appearance, pairing it with a warmer source will provide the best possible balance.
Tracks used:
● Circle in the Sand- Belinda Carlisl
● Flowers in December- Mezzy Star
● Return to Me- October Project

INSTRUMENTS SEPARATION
Instruments are well separated in TinHifi DUDU. As the upper midrange is a bit elevated, tracks with mixed instruments playing in the same scale or note hold their place nicely. It offers a high level of clarity that makes it stand out, especially considering the price. A well-tuned planar magnetic driver holds the ability to keep instruments distinct and well-separated, even in complex tracks, and ensures that each instrument delivers with clarity without blending into others. TinHifi DUDU has that ability and provides a precise and layered listening experience. Even when the music becomes busy, the IEM handles the separation well, preventing any sense of congestion. Instruments are present in their own space, which helps maintain the overall sound’s realism and detail. The separation is most impressive in DUDU when listening to string instruments or orchestral pieces.
Tracks used:
● Del Mar- Kitaro
● Dance for Me- Yanni
● Fear of the Dark- Iron Maiden
TREBLE
TinHifi DUDU presents a very impressive treble performance, if you consider the budget-friendly price point. As an entry level IEM, the treble is well-executed, offering great extension and clarity that gives sound a sense of air and openness. It’s bright but not harsh or fatiguing, which allows for a crisp and energatic high end that remains smooth even at higher volumes. You will get the detail and sparkle necessary to enjoy your music to the fullest. What really stands out is how well-balanced the treble is in relation to the mids and bass. While it provides adequate energy, it doesn’t overwhelm the rest of the sound signature.
Though in some tracks, you will find spicy presentation of treble while using any neutral or bright sources. And it doesn’t show with warm & analog sources. So keep in mind that, your pairing is a crucial part to enjoy the treble of TinHifi DUDU.
Tracks used:
● Sk8er Boi- Avril Lavigne
● Goodbye- Def Leppard
● Romeo & Juliet- Dire Straits

SOUNDSTAGE
The soundstage performance of the TinHifi DUDU is notably impressive, its wide & open. But don’t expect 3D holographic type of stage in this price point, its wide but not that large. Though it provides a sense of space and depth that goes beyond what you topically expect from a entry level IEM. The planar magnetic drivers help create an expensive audio environment where instruments and vocals can feel well-placed and distinctly positioned within the mix. This enhances the overall listening experience and makes the music feel more immersive and engaging; you could, if you try, fairly accurately pinpoint where different sounds are coming from within the sound field. That is a good way to describe the realistic and layered presentation. In terms of price, the TinHifi DUDU should bring an expensive soundstage and immersive listening.
Tracks used:
● Shine on You Crazy Diamond- Pink Floyd (PULSE)
● Bohemian Rhapsody- Queen
● Anchor- Novo Amor
POWER & SYNERGY
TinHifi DUDU is not a power-hungry IEM. I tested it with my smartphone directly from 3.5mm and USB C connection and they worked great. But a decent DAC/Amp can give you some extra benefit like more texture, more body, bit of a wide stage, good separation, etc. But remember, it’s not a ‘must have’ point when it comes to ‘drive’ the DUDU. Also remember that this IEM is source sensitive.
In my time with the IEM, I tested with different DAC/Amps in my collection. Each of them gave me different but very enjoyable sound quality, which is not way more different from the original sound signature of DUDU. With Hip DAC2 (without X-bass on), iBasso DC04 Pro & Cyen RU7, the lower frequency sounds a bit thicker and textured, more to the ‘old analog’ style. I got a very good separation with Fosi Audio DS1 with melodious mids & upper frequencies. And with DUNU DTC 480, which is known as a neutral source, got some shiny texture in the upper frequencies and lower frequencies seems a bit tight with less sub presence and midas are well pronounced with a good separation and stage. But with Celest CD10, it sounds ‘OK’, without any extra feature or characteristics.
Not power hungry but with a decent DAC/Amp it scales up very well! But if you wanna enjoy the actual ‘warmth,’ pair it either with iBasso DC04 Pro or Cyin RU7.

CABLE & TIP ROLLING
The stock cable of TinHifi DUDU is of good quality, pure OFC copper. And its low-profile design makes it a very comfortable thing as well as easy to carry for daily usage. No need to pay extra for any upgrade cable, but if you have some in your collection, don’t bother to swap them. My DUNU Lyra mini & NiceHCK MixPP do a good job here by providing the true signature of DUDU. The stock ear tips are also of good quality, but they didn’t fit me well as the nozzle size is short. After experimentation with various tips in my collection, I settled with DUNU S&S. They fit & seal well and are very comfortable for long listening sessions. DUNU Candy, Spinfit W1, and Penon Lequer also gave me good comfort & fit, but S&S is the winner for me.
Stock cable is well enough, and for tips, just use DUNU S&S. There you go!

RECOMMENDED FOR
Those who are on a budget or want to experience an entry-level IEM that delivers warm sound with bold mid-bass, detailed midrange, airy & extended treble, good separation and stage, and can overlook the less pronounced sub-bass can grab TinHifi DUDU with no time. And moreover, if you have different types of sources to play with, DUDU can be a good toy for you.
NOT FOR
People who are non-tolerate to planar timber, which TinHifi DUDU has, can avoid this. And those who love bright, analytical sound, this IEM is not for you.

FINAL THOUGHTS
The TinHiFi DUDU immediately positions itself as one of the serious contenders in the entry-level, budget class of planar magnetic drivers. Great build quality, fantastic signature, and well-chosen accessories make it a reliable choice for daily use even in rough conditions. While one could go for the Hidizs MP143, which is a $20 cheaper variant with three tuning nozzles for different sound profiles, the TinHiFi DUDU surely does excel in overall sound quality, instrument separation, and soundstage. It truly stands apart and could very well be the ace of your audio collection. So, in case you get to audition it, do not let such an opportunity slip by!
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