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Hybrid Power System for devices from any manufacturer, but best matched with Ferrums own gear - Hypsos. The intelligent power supply to get the best out of your high end stack.

The ZMF Bokeh Closed combines portability, isolation, and ZMF’s house sound in a lighter chassis with Black Limba wood. With 80-ohm drivers, custom pads, and rich, warm tonality, it’s the perfect blend of flexibility, comfort, and musicality.

The Bokeh Open blends ZMF’s house sound with a compact design, real wood grilles, and Atrium Damping. Featuring 80-ohm drivers and custom pads, it offers spacious, punchy, and musical performance with portable-friendly flexibility.

The ZMF Aeolus combines open-back soundstage, deep bass extension, and a warm, romantic signature. A technically capable yet musical headphone, perfect for relaxing or rediscovering your favorite tracks.

Hybrid Power System for devices from any manufacturer, but best matched with Ferrums own gear - Hypsos. The intelligent power supply to get the best out of your high end stack - now with 2 outputs.

With the full reprogramming of ERCO’s software in combination with crucial changes in the analog circuitry, Ferrum is introducing a newer and better ERCO. The ERCO Gen 2 will bring their entry-level DAC one step closer to the performance levels of WANDLA, their flagship converter. 

The Auteur Classic combines neutral reproduction with soul. With Black Limba wood and the Atrium Damping System, it offers clarity, warmth, and depth — ideal as an entry into the ZMF sound or as a timeless reference for discerning listeners.

A powerhouse in a compact chassis — the Ferrum OOR. Specifically designed to meet the demands of the Susvara, it can effortlessly drive virtually any headphone on the market, delivering an exceptionally dynamic and detailed sound.

End-game DAC in a small form factor - Wandla. The only DAC powerful enough to run filters by Jussi Laako, developer of HQPlayer, directly on the device.

The Atrium Closed pairs ZMF’s Atrium Damping System and biocellulose drivers with bold Canary Wood for unmatched isolation, warmth, and depth. Smooth, lush, and powerful, it’s a flagship closed-back that redefines immersive listening.

The ZMF Atrium pairs biocellulose drivers with a patent-pending rear damping system for unmatched depth and openness. Rich, spacious, and immersive — a flagship open-back for those seeking natural tone and ultimate soundstage realism.

Ferrum's high-end converters paired with a really powerful headphone amplifier - the result is one of the mightiest all-in-one devices on the market.

End-game DAC in a small form factor - Wandla. The only DAC powerful enough to run filters by Jussi Laako, developer of HQPlayer, directly on the device.

The Caldera Closed combines planar precision with isolation and ZMF’s musicality. Featuring CAMS, ADS, and Shou Sugi Ban Ash, it delivers sub-bass power, dynamic agility, and artisan beauty — the ultimate closed planar headphone.

The ZMF Caldera combines planar precision with dynamic character. Featuring CAMS, Atrium Damping, and zebrawood, it delivers deep bass, a wide soundstage, and natural musicality — ZMF’s ultimate interpretation of a planar headphone.

A combo that has no competition in its price range: The Ferrum Stack. Oor, powerful enough for Hifiman Susvara, Wandla, whose filters make it sound better than anything else on the market, and Hypso's Dual, which has enough power to get both devices in top form.

A top-class electrostatic system - with headphones and amplifier at the highest level, at a reasonable price.

A top-class electrostatic system - with headphones and amplifier at the highest level, at a reasonable price.

Not everyone needs the multitude of features the HM1 offers — all the more reason many will welcome that Michael Zähl has now brought a significantly more affordable model to market: the Zähl H1.

This is a device that I hoped to be able to offer for a long time, as soon as it cemented itself as the gold standard for transparency and power - and now it is here: the Zähl HM1.