Astell&Kern

Astell&Kern is a South Korean company specialising in portable high-resolution audio, best known for its digital audio players, headphone DACs and personal listening products. For anyone who wants better sound away from a traditional hi-fi system, an Astell&Kern player offers a dedicated alternative to using a phone, with proper audio circuitry, support for hi-res music files and connections suited to serious headphones and earphones. Read more info ↓
FOUNDED
2012
HEADQUARTERS
South Korea
Astell&Kern

The Astell&Kern catalogue. 6 ranges. 20 products.

01 5 PRODUCTS | £1,799 – £3,999

Astell&Kern DAPs

Astell&Kern build portable players the way others build reference components — machined metal bodies, angular asymmetric forms and a level of finish that makes most phones feel disposable. Inside, the engineering is uncompromising: multi-DAC configurations, fully balanced outputs and power supplies isolated to keep the noise floor genuinely low. The result is a source that drives serious headphones properly, anywhere.

5 PRODUCTS
£1,799 – £3,999
02 3 PRODUCTS | £259 – £549

Astell&Kern Headphone Amplifiers

Astell&Kern Headphone Amplifiers are built to deliver greater power, control and refinement from demanding headphones, while maintaining the low-noise performance expected from premium portable audio.

3 PRODUCTS
£259 – £549
03 1 PRODUCT | £319

Astell&Kern Accessories

Astell&Kern Accessories are designed to complement the brand’s portable audio players and headphones, with carefully matched products that enhance protection, connectivity and everyday usability.

1 PRODUCT
£319
04 5 PRODUCTS | £1,099 – £4,199

Astell&Kern Headphones

Astell&Kern Headphones combine premium driver technologies with carefully tuned acoustics, offering detailed, revealing sound designed to complement the brand’s high-resolution portable players.

5 PRODUCTS
£1,099 – £4,199
05 5 PRODUCTS | £130 – £229

Astell&Kern Cases

Astell&Kern Cases provide tailored protection for the brand’s portable players, combining precise fit, premium materials and easy access to controls without compromising the player’s distinctive design.

5 PRODUCTS
£130 – £229
06 1 PRODUCT | £449

Astell&Kern Speakers

Extending Astell&Kern beyond portable audio, the speaker range brings the company’s digital expertise into compact home systems, with integrated amplification and flexible connectivity for high-quality everyday listening.

1 PRODUCT
£449

Things people ask
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Astell&Kern is a South Korean premium audio brand founded in 2012 by iRiver. The company specialises in high-resolution personal audio, particularly digital audio players, portable DACs, headphone amplifiers and premium earphones. Its products combine precision-machined enclosures with dedicated audio circuitry designed specifically for high-quality headphone listening.

A dedicated Astell&Kern player is built around audio performance rather than general-purpose phone hardware. Its players use dedicated DACs, carefully designed amplification stages, low-noise power supplies and proper headphone outputs, while supporting high-resolution formats and local music libraries. This makes them particularly useful with high-end headphones and IEMs that can reveal the limitations of a conventional smartphone output.

TERATON ALPHA is Astell&Kern’s proprietary audio platform. It brings together technologies developed to reduce power-supply noise, manage power efficiently and minimise distortion through the amplification and output stages. Rather than referring to a single component, TERATON ALPHA describes a collection of circuit and power-management techniques used across selected Astell&Kern products.

Higher-end Astell&Kern players often use multiple DAC and digital-processing chips to keep channels and signal-processing stages more independent. Depending on the model, this can include separate processing for digital and analogue conversion or dedicated DACs for left and right channels. The aim is to reduce interference, improve channel separation and provide a cleaner signal path.

Digital Audio Remaster, or DAR, is Astell&Kern’s proprietary upsampling technology used on selected players. It processes digital audio at a higher sample rate before conversion, with the aim of producing a smoother and more refined presentation. Newer flagship models can use more advanced implementations of DAR with additional processing stages.

Many Astell&Kern players provide both a conventional 3.5mm unbalanced headphone output and a 4.4mm balanced output. The balanced connection uses separate signal paths for the left and right channels and typically provides greater output voltage and improved channel separation. Which connection is best depends on the headphones, cable and individual player.

Yes, although output capability varies between models. Astell&Kern designs players for everything from sensitive in-ear monitors to demanding full-size headphones, with selected products offering multiple gain settings and substantially higher-output balanced connections. Models aimed at particularly demanding headphones may provide dedicated high-power amplification modes.

Yes. Although Astell&Kern is best known for its digital audio players, its range also includes headphones and in-ear monitors. The company frequently works with specialist manufacturers such as 64 Audio and Empire Ears on collaborative models designed to complement Astell&Kern’s portable players and headphone systems.

Premium Sound carries a range of Astell&Kern digital audio players, headphone amplifiers, headphones and IEMs at its London store. Demonstration stock varies by model, so it is worth contacting the Kensington store before visiting if there is a particular player or headphone combination you would like to audition.

More info about Astell&Kern.

Founded in Seoul in 2012, the company was created as a specialist premium audio brand by iRiver, a name many listeners will remember from the early days of portable digital music. From the beginning, Astell&Kern set out to make portable players that treated digital music with the same care usually expected from home hi-fi components.

Over the past decade, the brand has built its reputation around premium digital audio players (DAPs). Astell&Kern is particularly well suited to owners of quality headphones or in-ear monitors who want a more focused listening setup. A dedicated digital audio player can reduce distractions, improve file handling and give headphones the kind of output stage they need to perform properly.

Build quality is also a major part of the Astell&Kern appeal. The players tend to feel more like precision audio components than everyday gadgets, with solid cases, clean interfaces and carefully considered headphone outputs.

Design has always been part of the Astell&Kern identity. The angular metal cases and tactile controls give the products a distinctive feel, while the internal engineering is aimed at low noise, clean signal handling and stable playback.

For anyone building a serious headphone system, Astell&Kern offers a practical route into high-resolution portable audio. Browse the Astell&Kern collection to find the right player or DAC for your headphones and music library.

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