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Home Reports

Erzetich at High End 2017

Marco Lisi by Marco Lisi
August 5, 2026
in Reports, Amplifiers, Headphones
Reading Time: 2 mins read

Blatz Erzetich states:

So, headphones are trending because the personalisation is trending. The individual is in trend. You can see a lot of people walking around on the street with headphones. They want to listen to their music and now we have the technology to listen to music on the go. Also, if you walk into an office or live in a flat, you can’t bother your neighbors or co-workers. Headphones are then an excellent choice to listen to music. It’s only your space of sound.

erzetich-at-high-end-2017-2

We have a range of 4 headphone amplifiers that differ by technology, price range and usage. All of them have a common ground and that is to offer a higher level of audio performance. We have 2 Baccilus models, which are our starting models in class AB. Then we have the Perfidus, a class A model. Our biggest model is called Deimos, which is a mono Class A design. It has a digital sound controller, 3 power supplies, XLR and RCA input. It plays really nice!

erzetich-at-high-end-2017-3

Visit the Erzetich website.

Our apologies for the background noise, but it was rather crowdy that day!

  • A one-person workshop with a musician’s ear
  • Four amplifiers, one shared design language

A one-person workshop with a musician’s ear

Erzetich Audio was founded in 2012 by Blaž Erzetič in Trnovo, Slovenia, near the Italian border. Erzetič is a former musician and sound engineer, and that background shows in how the amplifiers get finished: production runs to roughly fifty units a year, with each one hand-tuned by ear rather than to a fixed measurement target alone. It’s a small-scale approach that puts Erzetich closer to a boutique workshop than a conventional manufacturing line.

Four amplifiers, one shared design language

The Erzetich range spans four headphone amplifiers — two Bacillus models in Class AB, the Class A Perfidus, and the flagship Deimos, a mono Class A design with a digital sound controller, three power supplies, and both XLR and RCA inputs. All four share a common goal of higher audio performance rather than differing wildly in philosophy, so the choice between them mostly comes down to topology (Class AB versus Class A) and how much headroom a listener wants.

Frequently asked questions

Who founded Erzetich and where is it based?

Erzetich Audio was founded in 2012 by Blaž Erzetič, a former musician and sound engineer, in Trnovo, Slovenia, near the Italian border.

What is the Erzetich Deimos amplifier?

The Deimos is Erzetich’s flagship headphone amplifier: a mono Class A design with a digital sound controller, three power supplies, and both XLR and RCA inputs.

How many amplifier models does Erzetich make?

Four: two Bacillus models in Class AB as the entry point, the Class A Perfidus, and the mono Class A flagship Deimos.

Tags: ErzetichHeadphone amplifiersHigh End®
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Marco Lisi

Marco Lisi

Publisher

Marco Lisi is the publisher of Best of High End, part of AV Concepts BV. His path into audio started early: as a teenager he was drawn into the world of free radio, presenting shows and living immersed in music every day. In his early twenties he ran his own production studio for five years, creating jingles and commercials — hands-on training in sound design, pro-audio workflows, and critical listening through studio monitors that still shapes how he evaluates gear today. He also spent years DJing in clubs before moving into publishing, first at two earlier online magazines before founding Best of High End. His hi-fi and home cinema passion was inherited from his father, an inveterate system-swapper. Marco's first setup — a confirmation gift — paired AKAI separates with entry-level Bowers & Wilkins speakers, a brand he stayed loyal to for years as his system grew from stereo into full surround and home cinema. Like many enthusiasts, he went through an extended "audiophile" phase chasing the next upgrade, before settling into a more grounded view: gear as a means to enjoy music and film, not an end in itself. Years of critical listening have given him a well-trained ear — the ability to characterize a system or pinpoint a change in the chain quickly and accurately. Just as important, his teaching background (a Belgian "regent" degree in Dutch language) gives him the tools to translate those listening impressions into clear, readable writing.

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