Unit parameters:
Diameter: about 42mm
Impedance: 54 ohms
Frequency response: 10-39500Hz
Sensitivity: 103dB
Cavity requirements: for open earphone housing
Unit describes the sense of hearing
Tend to warm the sound elements are relatively balanced. . Seoul has a moderate amount of bass is not muddy. . IF resolve very good. . Treble penetrating strong. . A rare good unit
