Is it important for rock/trance? thx - I googled and read through the first entry but couldn't make much sense of it

There are lots of Monster Turbine Pro Coppers on Ebay for cheap which would make one think that they're fake. However, many of the sellers selling them have good ratings. Opinions?   I am currently trying to buy ER 4Ps...

I have a feeling that its not just the tips that you use...I was thinking about getting the dba-02 and putting the ety triple flange tips on them - wouldn't I then be getting the same isolation as the er 4Ps give? thanks

Which would be better - Isolation is just as important as SQ for me...   I did a search before but none of the results dealt with these two specifically in this regard...   I have not had any previous IEMs   Also I don't want to use an AMP   Thanks!

Title pretty much says it all.   Isolation needs to be top notch and I do not want to use an amp under any circumstance. Perhaps I could change the tips to improve isolation...   Build Quality also needs to be very good since I'll be wanting to keep these for a few years or as long as...

Hey Im new around here and I tried searching but I couldnt find any other similar topic. I'm used to studying in complete silence but that hasn't been available so far - so I was wondering whether the PXC 450s were good enough to cancel out tv and children noise, lol. I wanna use them in...