OOR forces headphones to tell you the truth.

English, Portugees

„OOR forces the headphones to tell you the truth, the whole truth and nothing but the truth. Even if it hurts”.
We invite you to read a new review of OOR.

HIFICLUBE.NET will provide you some special information about our untypical device. They will show you why it is so SPECIAL!
https://www.hificlube.net/…/ferrum-oor-a-arte-do-ferro…/

Where to buy Ferrum products

Ferrum is sold all over the world. If you have troubles locating our dealer nearby let us help to arrange the brick-and-mortar customer experience for you by contacting us at info@ferrum.audio