Product description ★ "3SH" is the 3 driver model of the "HiFi series" located as a "listening model" even in the product lineup of qdc. Three BA drivers (balanced armature) are installed in this 3SH, and the Ba driver which qdc originally designed is adopted, respectively. Sound design is made for audio files (music enthusiasts), and as a model for listening use, compatibility is good regardless of the genre. ◆ Equipped with a unique design driver ● For qdc earphone, qdc designs its own, and adopts its own BA driver ordered to a long-established BA maker. For each BA driver, since qdc has been developing military products for military and police for over 10 years in "Shenzhen" called China Silicon Valley, the company's technology In its original BA driver design. ◆ High-performance development equipment and outstanding human resources capable of handling it ● As a development environment of custom IEM, installation of an anechoic room, introduction of PC hardware and software for acoustic and vibration measurement by Bruel Care (B & K) Company, joint development with experts in electric signals and acoustics, a large amount A company's attitude that invests and constantly seeks technological innovation is a strength. ◆ Qdc proprietary earphone terminal ● Qdc company adopts its own 2 pin terminal for all models. It is designed so that the terminal on the cable side covers the earphone terminal.