U should try something different e.g ESS9018k2m inside the smartphone or a HiFi player. (GiGo- garbage in garbage out) This Bose ie like soundtrue have unbelievable sound even if you play it at very very low volume you still can hear warm clear vocal. Try it.

Most of the isolated in ear monitor or closed headphone cause me fatigue for an hour of usage. The only one that i never have any fatigue or even forgotten i had it on My ear all the time is Bose soundtrue IE. Is My favorite bedtime in ear headphone. I had it playing until i am awake. soundtrue...

Hi tail, what player do you use to play with the Bose ie?

I am using Mi Note 64GB for sometime and here is my experience to share. I've spend quite some times to test how good the sound quality of my Mi note can deliver. First I have to make sure I got some good source to play acceptable quality music which I've choose to use Spotify 320kbps as it is...