9Reader's Score Ferrum ERCO Review Marcus Amplifiers May 6, 2022 2This review covers the new Ferrum ERCO integrated ES9028PRO DAC and balanced 6.1W capable headphone amplifier. It is priced at...
9.1Reader's Score Ferrum OOR Headphone Amplifier Review Marcus Amplifiers December 23, 2021 0This review covers the Ferrum OOR which is a headphone amplifier capable of 8W into 60Ω balanced. It is priced...
