Ok so I just got these. No burn in, and wow! They are actually pretty darn nice. They definitely isolate A LOT. Enough to where normal speech is just a whisper. Should be enough for almost anything. The comfort is a little iffy but of course I'm not used to such a deep seal. Also it is kinda difficult to get a "proper" seal because I don't really know if I have it or not. But they do sound incredibly neutral and do have adequate bass(on the light side) so I'm guessing I'm good.
For 20$ this is just an amazing deal. This blows away all other IEMs I have in accuracy. I'm hearing things I even struggle to with the hd650s.
Originally Posted by xnor
Olive, Welti published a paper called "Listener Preferences for Different Headphone Target Response Curves". Their target curve drops about -1 dB per octave (doubling of frequency).
In other words: it probably sounds too bright.
Anything that comes even remotely close to the Olive Welti curve, at this price point is amazing imo. I planned on using these just as earplugs (having the added benefit of playing music, not caring about SQ) but they're much more than that.
Edited by wafflezz - 9/1/13 at 9:23pm
EDIT-Ok going back on topic. These should offer enough isolation but I really need to get replacement tips because on of the foams already came loose. By far the most comfy are the default small tri-flange but those have the least noise protection.