Hi guys, there isn't much on the net involving this IEM and the manufacturer so I decided to start a thread devoted to it.   Unboxing Video     I don't know much about Miu Audio with the exception of them being a small Chinese company. I only found out about them through word of mouth...

"It may be the smallest vacuum tube headphone amplifier in the market".   By using one piece of Philips JAN 6111WA vacuum tube, with selectable sound field effect, iH is perfect to drive any headphone with impedance from 32 to 300 Ohms. High accuracy components used in iH is the main...