Hello, I'm looking for advice which  iem's i should buy. I'm new to iem's, i had just few and not verry expensive.   So right now I'm choosing between these three (i will write how much they cost in my country) - Sony XBA-H1 : 80€, Sony XBA-H3 :150€ and Audio-Technica ATH-CKX9iS : 90€. I'm...