Funny thing is I've actually learned all those acronyms in the title. And yet still so much to learn.   Anyway, I have a iPod Touch 5g that I'm using as a source (and that's not going to change). I've been slowly building up my headphones, IEMs actually because of neck issues, and now that...

After spending time lurking around the threads I went ahead and bought a pair of Sennheiser HD598s. I like the sound overall, but they are causing me pain. I have rheumatoid arthritis and they're killing my neck. Add to that the pain from the headband and I don't think I can keep them. I've...