MASS-Kobo Model 475 Full-Balanced Portable Headphone Amp IEM and the throat is not

and the throat is not hoarse

Mixed 12 driver each channel

smaller shell

Multi-Elemental Alloy

MASS-Kobo Model 475 Full-Balanced Portable Headphone Amp IEM and the throat is notMASS Kobo Model 475 Full Balanced Portable Headphone Amp Updated the external DC power supply terminal of the full balanced headphone amplifier model 428, which has been popular since its release, from USB micro B to USB Type C. The input and output terminal of Balanced uses Pentaconn manufactured by Nippon Dicks Co., Ltd. with high reliability. No cable is used between the internal substrates, and all the connecters are gold plated. The sound quality