Check out the ERCO White Paper
What makes ERCO special First of all ERCO is in many ways similar to OOR, but because it has a built in DAC, some design aspects needed a...
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Headphonics reviews ERCO
Marcus Downey from Headfonics reviewed Erco with integrated ES9028PRO DAC and balanced 6.1W capable headphone amplifier. Read the full review on HEADFONICS! Quick summery by Headfonics: The Ferrum ERCO... -
Visit us at High End Munich
Visit us at High End Munich! Recently Ferrum organised a virtual pre-High End Munich presentation to inform members of the audio press what Ferrum will present at the... -
High Fidelity.pl opened ERCO
High Fidelity magazine opened and reviewed the ERCO in detail. Please find the English and Polish reviews in the links below. “You can see that it is a... -
Did you check the OOR 3D tour?
Did you check our 3D TOUR for OOR? OOR is part of our happy family and allows you to achieve the best possible sound quality from your device.... -
HIFICLUB.NET Reviews ERCO
HIFICLUB Portugal reviewed the ERCO Ferrum has been receiving reviews from around the WORLD and this time is no other,but from PORTUGAL- by HIFICLUBE.NET. We’ve been honored to... -
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. We... -
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 the... -
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 9.3... -
iamhear OOR video review
Youtube channel iamhear recently reviewed the Ferrum OOR. Please find the video below! -
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 ahead... -
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 not,... -
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 the... -
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 -
salonav.com reviewed OOR
Nikolia Efremov from avsalon.com reviewed OOR Headphone amp Click to read the review -
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 video... -
OOR reviewed by High Fidelity.pl
OOR Reviewed by Wojciech Pacuła High Fidelity Poland reviewed the Hypsos whe it was introduced. Now it is time to listen to OOR. ” Its sound is clear,... -
OOR headphone amp with Hypsos power supply: pure soul
Stereo.ru magazine Hypsos and OOR review As Stereo writes. Pure Soul! We have to say that we love the beautiful photo’s and setting. Thank you for the review... -
6Moons reviews Erco – “It’s what I heard. No barfing braggadocio.”
6moons was one of the first the get our Erco for review. Please check out the 4 page review at 6moons. -
CHECKOUT THE OOR HEADPHONE AMPLIFIER WHITE PAPER!
What makes OOR special First of all OOR has unique discrete output stage. It is not class A, it is rather something between class A and AB. OOR... -
Power supply, Ferrum Hypsos, energy under control by Audio & Cinema em Casa PT
Happy to share the Hypsos review from Audio & Cinema em Casa Portugal by Jorge Gonçalves – We translated the conclusion for you. If you want to read...