I have had my HE-400 for almost a week and I really enjoy them. For me it was that I had some nice IEM's, good closed cans and honestly what I paid for the HE-400's for me it wasn't worth more than 300.00 the difference in sound to buy the HE-500, next wekk that may change . When I tire of these I will sell them or else I will buy something else. Look for a good deal on the HE-400 be happy with them and don't give it a second thought. I am driving them from a FiiO X3 and it has great sound quality. I also have a FiiO e11, sometimes I use it sometimes I don't. My deal included velour pads that I haven't put on yet. I read the sibilance of the HE-400 and what others said but I don't have that issue. When you find something that sounds good to you ...enjoy it. It just make the sound that much sweeter now that I have more money in my wallet. There will always be better, there will always be newer technology....makes you crazy searching but it is a great hobby and actually cheaper than my golf hobby I had for a while.
Yep. When you find something your happy with you have to just stop coming here and stop searching around and looking for whatever you "might" be missing and new stuff that comes out that probably isnt much better.