For me, this Inear like its predecessor IE 8 one of the best that have ever been built, regardless of price or design.
In this respect a bargain price, and of course a buy recommendation.
Note 1: buy only from authorized dealers, otherwise there is a great risk to catch plagiarism.
Note 2: The listener reacts abnormally to moisture to evaporate. He acknowledges this with volume loss. In that case, it can take several days until it is completely dried out and back to normal play out loud.