Impressions like that you can't trust... rather wait for respected reviewers to fairly pass judgement on an earphone rather than have somebody fluctuate between praising an iem and then dismissing it next
DEUTER (master new age musician with many gold records) has a beautiful album that answers all these questions: SILENCE IS THE ANSWER!
and you should all know a term from the old psychophysiology of sound from 19th century science of Fetchner (who talked to plants and they answered)
VEXIOVERSUCHEN: the ghost stimulus....i.e.humans hallucinate about 50% of what they perceive, especially sound. so many folks are listening to
themselves, not the actual sound stimulus...just sayin....