After successfully upgrading from firmware v4.04 to v4.06 the driver program tells me that the actual firmware of the device would be v4.02. I have tried it several times always using the file "idsdv4.06.bin" from ifi audios website. Always the same result. Very strange. Has anyone made the same...

I am looking for a good alternative to the beyerdynamic T70p. I liked the resolution of the T70p a lot. The bass was a bit weak but I could have lived with that. The reason, however, why I have sent the T70p back was that it produced a distortion with some songs like I was standing in a can...