So Ive had the yamaha eph-100s for 3 years now and even though its perfect for me in pretty much every sense (especially the isolation) I figured its time to upgrade. I think im now ready to step into the custom iems range. So im asking you guys what you would recommend for me. I would like to...

Hello! My first IEMs were the Vsonic GR02 Bass Edition which I bought exactly a year ago. 3 months later I bought the JVC FXT-90 and I've used them up until now. 9 months is a long time, so I figured its about time to try something new!   So, what music do I listen to? Mostly metal. My...