I don't know if the sibilance has been toned down after use or if my ears are more used to it, but it has gotten better with time. Still noticeable and mildly irritating, but it doesn't make my ears hurt anymore; and, if I cut 7 kHz by 4-5db with the equalizer, I don't notice it at all.   In...

Quote: I don't know. I readily admit that I am not an audiophile, but I just go what what my ears tell me. With the diaphragm guards in, the bass sounds like I'm listening to it through a brick wall. With them out, it sounds remarkably good, but the highs grate so much that it's nearly...

If anybody has found a good balance with these, I'd love to hear.   With the diaphragm guards in, the bass is too muddy, but the highs are good. With the diaphragm guards out, the bass is perfect, but the highs are too grating. I also have a pair of CX300Bs, and right now, I prefer those...