Music-union.com Hypsos + Erco review
Music Union Hypsos and Erco Review International news! International movie! International brand – Ferrum! So glad, that Ferrum is known better in every part of the world.
May 2, 2022
The news
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Hypsos Power supply review by HVT
FERRUM HYPSOS, ZOMAAR EEN VOEDINGDINGETJE? Well, for who? -” If we stick to the premise that an audio chain is only as good as the quality of
May 1, 2022
Headfonics OOR review
Marcus Downey from Headfonics reviewed OOR some end of 2021. We invite you to read the review of our Ferrum OOR Headphone Amplifier. READ THE REVIEW an excellent score of
April 29, 2022
iamhear OOR video review
Youtube channel iamhear recently reviewed the Ferrum OOR. Please find the video below!
April 26, 2022
Soundfest Madrid with Ferrum Audio
SOUNDFEST MADRID 2022! THANK YOU ALL who participated the Soundfest, Madrid on the 1-3 April 2022. For ones who missed, don’t worry! There will be plenty of chances
April 26, 2022
Erco Review by Headfonia
ERCO reviewed by HEADFONIA Enormously grateful to receive an exceptionally thorough review from HEADFONIA on our Ferrum ERCO. Did you have the chance to read it? If
April 22, 2022
BORZENKOV OOR REVIEW
OOR VIDEO REVIEW Michael Borzenkov took OOR for a ride. Starting with how to pronounce the name OOR. It is worth the watch. Enjoy it. Please watch
April 21, 2022
HVT tested the OOR headphone amp
NA DE REVOLUTIE GAAT DE ZON PAS ECHT SCHIJNEN Read the Dutch review – The secret of the ears about OOR Headphone amp and link to Hypsos
April 21, 2022
salonav.com reviewed OOR
Nikolia Efremov from avsalon.com reviewed OOR Headphone amp Click to read the review
April 13, 2022
ERCO Anatomy video
We happy to share our latest video! “ERCO ANATOMY LESSON”. See and learn more in the 8 minute video about ERCO fully balanced headphone DAC/AMP! Enjoy the
April 11, 2022