“ First off the disclaimer, the Realvoice IEM’S were given to me a month or two back for reviewing. I would like to thank Spider Cable for the review sample and my apologies for taking so long in writing this review. Since I have had these I have used them about 75% of the time when I am using earphones, which probably averages about two hours per day. So I have put quite a few hours...” --Carlsan
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...