Using Dita-The Truth IEMs.
-Gain 1 comfortable at full volume.
-Ran to the train with it in my jacket pocket for 20 meters or so, no issues.
-Gain 2 sounds better to me, more bass.
Later that day.....
-Mini-M8 seems to be more even now. Whether I am adjusting to it, or the device is breaking in, I don`t know.
-I`ve just started to enjoy it now (Its around the four hour mark).
Listening volume I prefer.
-I need 4 turns on Gain 1 (max).