My E07K that I bought back in October has spontaneously started having all sorts of issues. First it would give off some sort of current surge when powering on and off that would cause my right headphone driver to pop. Then it started randomly cutting out in the right ear, and now if I plug any...

I know that some people have purchased the K712/annie memory foam pads (I think they are the same) and used them on the K701/K702/Q701. I just purchased the K702 but I am thinking I would prefer memory foam for comfort, and some people have stated that it increases bass as well, which is always...

I have a pair of Sennheiser HD 540 reference II headphones that are starting to fail me (I believe it is the contact springs) so I am in the market for something open backed to replace them. My problem is that I can't really find a frequency response curve of the HD540 II's to compare them to...