Hi everyone, I am just wondering if anyone has encountered any fake Bose qc20i earphones? I know there are plenty of fake qc15 's, but I have at least seen proof of those. Someone around my city happens to be selling an "unused pair with everything that came with it, however without the box"...

Thanks for the quick reply. So is a loss in bass a typical characteristic of loosened diaphragm's? I know for sure that they weren't at a cranked up volume. They were kept at a consistent volume the whole time. If there were any significant variations in volume then it may have been from the...

Hi there everyone. This is my first post in head fi, but I have been creeping these forums for quite a while. Recently, I decided to try burning in all my headphones. I simply played a mix (a wide variety) of all my music through my headphones, slightly above medium volume levels for...