Good news ! I sent an email to Beyerdynamic USA, asking if it was indeed a genuine article of Beyerdynamic. They just answer the following:   " - Yes! The DT 770-I is in fact a real beyerdynamic product. There really isn’t much official information on it because it is an exclusive product...

Good morning ! I really appreciate knowing whether the model "DT 770-i" is actually a real product of Beyerdynamic. I could not find official information, so I come to you to know friends ! I refer to the article featured in these two links...