I've been doing several hours of testing between these two; i have both of them. During all the testing I could barely tell them apart. I even swapped headphones just to be thorough. I'm quite surprised at the E17K, it proved to be highly competent. I only got the JDS C5D 2 days ago...

No doubt it's been discussed a million times already, but please indulge me 5 simple questions... 1: Is burn-in a verifiable fact and been proven many times? 2: Is there ever a case were boomy or shabby bass tightens-up with burn-in, or is it only ever the other way around, as in lack of bass...

I've never been a fan of Grado Labs headphones, or open-back headphones for that matter, but this new e-series has taken me by surprise, i must say; wow oh wow, the new e-series is quite something.   The spiel from Grados website...   . Every single component, surface, and material...

Hi people! I'll start-out by saying I'm very disgruntled about the false hype surrounding these headphones, and the hype seems to have gained unjust traction, so i need to do what i can to debunk the misnomers. This headphone has been, and is being touted nearly everywhere as supremely...