Works flawlessly on Fiio X3. The release sheet is a good point. Volume control: Bad because I did not Apple ... Comfort on the head could be a little better, like Sennheiser, for example (with an extra loop, self-adjusting). Very good build quality, the ear is well taken, the sound is faithfully recreated in all these details.
A bit expensive even for transducers that are apparently in different models of the ... Marketing, marketing ...
