The Technics EAH-AZ100 arrive at a time when true wireless earbuds no longer surprise us simply for being comfortable, small, or smart. That's a given. Today, The difference lies in how they sound, how tiring they become after several hours, and whether all those features listed on the technical specifications actually serve any purpose. When you use them on the street, in the office, or on a long trip. And that's where this model makes sense.
Technics hasn't aimed to create flashy or overly futuristic headphones. They've opted instead for a serious, high-end product with a clear objective: to demonstrate that wireless in-ear headphones can offer a more sophisticated listening experience without sacrificing the comfort of the design. They aren't cheap, which demands high standards. But it's also clear they aren't designed for those simply looking for stylish headphones for the subway, but rather for those who listen attentively to music and appreciate that every detail is carefully considered.
Design and comfort: less bulk, more practicality
At first glance, the Technics EAH-AZ100 conveys that Japanese sobriety that usually works better over time than in a promotional photo. They don't shout, they don't try to look like high-tech jewelry, and they don't have a design recognizable from a hundred meters away. They are compact, discreet, and have a careful finish that gives a premium feel without being excessive.
The size reduction compared to previous generations is important because with headphones of this type, every millimeter counts. An overly large body might seem stable at first, but it ends up being uncomfortable during long listening sessions. Here, the ergonomics are much better. They sit naturally, don't stick out too much, and distribute the weight well. That doesn't mean they'll fit everyone's ears the same, because no in-ear headphones ever do, but Technics helps by including five sizes of ear tips, including an intermediate fit that can make all the difference for those who usually fall between two sizes.
The case also contributes to that feeling of a product designed for everyday use. It's manageable, fits easily in a pocket, and supports Qi wireless charging, It's less convenient until you get used to leaving it on a charging base and forgetting about the cable. It's not the most spectacular case on the market, but it's one of those that doesn't get in the way, and that's worth a lot when you're on the go.
Sound: the main reason to take a closer look
The key feature of the Technics EAH-AZ100 is its sound. Everything revolves around its 10mm magnetic fluid driver, This is an unusual solution for true wireless earbuds, designed to reduce distortion and better control the diaphragm's movement. In real-world use, this translates to a cleaner, more organized, and less strained sound.

The first thing that strikes you isn't exaggerated bass or artificially bright treble. It's the sense of balance. The AZ100s don't try to impress in the first thirty seconds by cranking up everything that might grab your attention. They prefer to build a more refined listening experience, with good bass, present mids, and detailed treble, but without turning every song into a technical showcase.
The short ones They have body and depth, but they don't overwhelm the rest of the sound. This is important because many premium headphones fall into the trap of inflating the bass to sound more powerful. Here, the bass complements the sound, pushing when needed and allowing the other frequencies to breathe. In electronic, pop or hip hop music, that controlled punch is appreciated; in jazz, rock or acoustic music, it's even more appreciated that it doesn't muddy vocals or guitars.
The media presence They're probably the most satisfying part. The vocals sound close, textured, without that plasticky layer that sometimes appears in Bluetooth headphones. There's presence, but not aggression. The guitars, pianos, and brass retain their body, and the instrument separation allows you to better follow a mix without having to turn up the volume. It's a sound that invites you to listen to entire albums, not just individual songs.
The high notes have detail and extension, Although Technics avoids making them razor-sharp, there's enough brightness to perceive nuances, reverberations, and subtle production elements, but not so much harshness as to become tiresome after an hour. That's one of their greatest strengths: they sound refined without becoming boring.
Spatial audio and Dolby Atmos: useful when the content accompanies
Spatial audio with Dolby Atmos and head tracking is one of those features that might sound like marketing hype, but in the AZ100 it's integrated quite coherently. It doesn't turn every song into a miraculous experience, nor should it be marketed that way. When the content is well mixed, the soundstage gains spaciousness and the sense of immersion is convincing.

In movies, concerts, or tracks prepared for Atmos, the effect makes sense. The sound opens up, is placed with more air around it, and head tracking helps create a more stable soundstage. It's not a feature that will replace good speakers or open-back headphones, but it adds value when used in the right context. The best part is that it doesn't feel like a gimmick tacked on, but rather an extra layer you can activate when it's useful.
Noise cancellation: effective, though not the most radical
The active noise cancellation of the Technics EAH-AZ100 performs very well, meeting expectations for high-end headphones. It clearly reduces the constant noise from public transport, fans, open offices, or busy streets. It doesn't create an absolute bubble, and perhaps those seeking the most aggressive isolation from the market will find more forceful options, but its approach has one advantage: it's convenient.

Some noise-canceling systems offer excellent isolation, but they can create pressure or an artificial sensation in the ear. Here, the balance is much better. The adaptive system operates smoothly and allows you to wear it for extended periods without fatigue. For work, travel, or concentration, it's more than enough of a cancellation. It doesn't erase the world, but it elegantly lowers its volume.
Ambient mode is also practical, so you don't have to take off your headphones every time someone speaks to you or when you need to be aware of your surroundings. It's not the most exciting feature of the product, but it's well implemented, and that matters more than any flashy effect in everyday headphones.
Calls and connectivity: designed for work too
One of the strongest points of the AZ100s is their call quality. Voice Focus AI technology, supported by three microphones per earbud, is designed to separate your voice from background noise and improve both what you say and what you hear. In practice, this makes them a very serious option for those who alternate between music, video calls, and working on the go.

Connectivity is also top-notch. LDAC support allows you to get more out of high-resolution audio on compatible devices, while Bluetooth LE Audio, LC3, and Auracast are also supported. They're preparing for a near future where wireless transmission will be more flexible. Multipoint connectivity with up to three devices is especially useful if you work with a mobile phone, laptop, and tablet. Not having to manually disconnect every time you switch screens is one of those conveniences that seem small until you get used to it.
The Technics Audio Connect app offers considerable customization. It allows you to adjust equalization, cancellation, controls, and other parameters without hiding everything behind cumbersome menus. It might not be the fastest or most visually appealing app, but it feels comprehensive and designed for users who want to tweak more than just the volume.
Battery: good battery life without any magic tricks
Autonomy is solid. With AAC and noise cancellation enabled, the earbuds can last up to 10 hours per charge, with up to 28 hours using the charging case. With LDAC, the figure drops. As expected, battery life hovers around 7 hours with noise cancellation. These aren't groundbreaking figures, but they are very competitive for headphones with this level of sound and features.
Fast charging is helpful for everyday use, and the wireless charging case completes the experience. There's no endless battery life here, but neither is there the feeling of constantly checking the percentage. For workdays, travel, and mixed use, they perform flawlessly.
Editor's opinion
The Technics EAH-AZ100 headphones aren't for everyone. Their price puts them in a demanding category, meaning that simply saying they sound good isn't enough. They have to sound great, be comfortable, offer effective noise cancellation, perform well on calls, and provide modern connectivity. And, generally speaking, they succeed.
Their greatest strength is that they don't try to win by accumulating tricks, but by the quality of their experience. They are comfortable, discreet, complete and, above all, offer a mature, clean and very enjoyable sound. They're not perfect: the noise cancellation isn't the most extreme, and some features, like spatial audio, will depend heavily on the content. But as premium headphones for attentive listening and everyday use, they're one of the most compelling options in their category.
- From 230 euros on Amazon.
Anyone who just wants good headphones for quick calls and background playlists can find cheaper options. Anyone who wants true wireless with a hi-fi soul, Without sacrificing modern features, you should definitely consider these Technics EAH-AZ100.