“ Fanmusic is a distributor and a brand of Chinese audio-equipment which also has an eBay store. I was contacted by Tony, their manager a while ago and he informed me that they were working on an IEM (under their brand as far as I know), with a dual-dynamic setup in a metal housing with a user replaceable cable, simply named "MS-E1011". Tony offered to send me a...” --ItsMeHere
First custom earphone in the world with a single 14mm dynamic driver couples with advanced frequency suppression technology (FST). Frequency Response: 10-20000 Hz Impedance：16ohms（including cable） Sensitivity (at 1kHz)：116dB spl (1mW) Important: Due to the size of the driver, people with small ears may not be able to fit. We would need your ear impressions to check for sizes...