In this review we take a close look at the Ferrum Audio OOR amplifier, selling for €1.995 Euro.

HEM / Ferrum Audio

Founded more than 20 years ago in Warsaw, Poland by Marcin Hamerla, HEM set out to operate at the forefront of audio technology. Having done several projects for the Polish government, HEM’s focus shifted to industry leading digital technology in collaborating with Mytek Digital.
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