“ I bought these to upgrade from my UE triple fi 10 pro's. I LOVED the Triple fi's, but wanted to go to customs for greater bass response and isolation on stage. (i'm a bass player). The first thing I have to say is that I was kind of torn between UE and JH Audio, but after dealing with both companies now I have to say that if the products are equal in quality, and I think...” --loverbuggy
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...