Root NationNewsReportsReport: Audio Highlights from Kiwi Ears (and More) at #IFA2025

Report: Audio Highlights from Kiwi Ears (and More) at #IFA2025

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Being personally familiar with the Kiwi Ears brand – having worked on audio for video in Orchestra Lite – it was a pleasure to see their latest products. Linsoul, the company behind Kiwi Ears, KZ, FiiO, and other brands, brought a large lineup to IFA 2025. But forgive me, ZiiGat and ThieAudio, I’ll focus on Kiwi Ears: the Atheia, Airoso, Aventus, Attiva, and a bit on the Allegro Pro.

Read also: All the latest from IFA 2025 here

KIWI EARS IFA 2025

This isn’t the full lineup from their exhibition booth, but it’s the most interesting and representative selection. For me personally, Kiwi Ears has always been synonymous with in-ear, multi-driver monitor headphones for professionals and audiophiles. Now, they’ve also added Bluetooth headsets and DJ monitor models.

Video: Report from the Kiwi Ears stand at the IFA 2025 exhibition

Don’t want to read the text? Watch our video!

7Hz Timeless II

With your permission, I’ll briefly mention a few other brands – like the 7Hz Timeless II. These are planar-magnetic in-ear monitors featuring 14.5 mm drivers.

7Hz Timeless II

And although the impedance here is only 15 ohms, the response frequency ranges from 5 to 40 thousand Hz.

7Hz Timeless II

Planar-magnetic drivers operate on a principle quite different from traditional designs, which is why this single-driver model is priced higher than many multi-driver conventional models – around \$300. Part of the Timeless II’s value also comes from its modular design.

7Hz Timeless II

And it’s not just the cables that are replaceable – you can even swap the nozzles, the output channels where the eartips attach. The package includes four pairs of nozzles, each tuned for different high-frequency responses.

Kiwi Ears Allegro Pro

Next, still related but not headphones – the Kiwi Ears Allegro Pro, mobile sound card. It’s not exactly new to the exhibition, but it’s a new release for the wider consumer market. This is an important addition because, no matter how good your headphones are, without a quality DAC – Digital-to-Analog Converter – they may sound mediocre or even terrible.

Kiwi Ears Allegro Pro

And if you try listening directly from a smartphone, that won’t work – there’s no 3.5 mm jack, so an external DAC is necessary. The Allegro Pro connects directly to a smartphone or laptop via Type-C, features two coaxial outputs for headphones, and, according to reviews, delivers excellent performance – especially considering its price of under $60.

Kiwi Ears Aventus

Next up is the Kiwi Ears Aventus – a full-size Bluetooth 5.4 model with dual drivers, hybrid noise cancellation, and RGB lighting. The drivers are dynamic, with a 40 mm unit handling bass and midrange and an additional 10 mm driver for highs, complemented by Harman-tuned sound focusing on bass.

Kiwi Ears Aventus

What’s interesting is that these headphones are designed primarily for single-ear use, as DJs often do, with additional tuning for that setup. They’re priced at $50 and are already available on the official website. A full review is also available on our site.

Kiwi Ears Aventus

Kiwi Ears Airoso / KE4 / Etude / Aether

Kiwi Ears Airoso

Alongside the Kiwi Ears Airoso (see the full review), I’ll also mention the KE4 and Etude models, which I consider the core – essentially the foundation – of the brand.

KIWI EARS IFA 2025

These multi-driver, custom-shaped in-ear monitors start at around $100 and are distinguished by excellent build quality. The differences between models lie in their design, materials used, number and type of drivers, and sound tuning.

KIWI EARS IFA 2025

You could also include the Kiwi Ears Aether here, although they aren’t multi-driver. They are planar-magnetic with 5.3 mm drivers and priced slightly under $150 – cheaper than the Timeless II.

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Kiwi Ears Atheia

But the standout of the season, personally for me, was the Kiwi Ears Atheia. These are full-size wired headphones with polished wooden ear cups, priced just under $300. They combine a 50 mm dynamic driver with a 14.5 mm planar-magnetic auxiliary driver – similar in size to the Timeless II. Essentially, it’s like two headphones packed into a single set of ear cups.

KIWI EARS IFA 2025

The sound tuning here is neutral, with a wide frequency response from 20 Hz to 40 kHz, and the impedance is lower than I expected at 32 Ω. A sturdy travel case is also included.

That’s all from me. Don’t forget to leave a comment sharing which new product caught your attention the most. Personally, I’m only interested in wireless headsets, especially affordable ones – but feel free to share your own picks!

Read all reviews of Kiwi Ears headphones on our website.

Alex Zobov
Alex Zobovhttps://root-nation.com/
Tech journalist. Write reviews, guides and analytical pieces; I regularly attend exhibitions and produce on‑site reports. I enjoy gadgets, understand how they work and explain their value clearly.
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