Product introduction All functions and sound quality and design color, optimal-ear earphone sports scene. Sports types that can be up a sense of mounting in equipment Iyakafu the wireless unit from Bluetooth-enabled devices such as smart phones can wireless music playback. Equipped with a 8.5mm driver of dedicated design, and realize the Yamaha unique clear sound quality "EPH-52/32/22" series to "EPH-S01" series dedicated 8.5mm driver unit that was newly developed, use a neodymium magnet for high magnetic force. While adopting high Yamaha own tangential edge precision diaphragm, and by setting the edge shape and the vibrating portion (dome) area optimally movable diaphragm at the volume of the actual use, and a wide range of compact size I have to allow the band playing. The housing, as the sound of the driver reaches the eardrum straight, designed driver and the sound tube are aligned in a straight line. The material, ABS front of the resin, the composite resin of polycarbonate and ABS is adopted in the rear portion, reducing unnecessary resonance causes turbidity sound to a different material hardness. In addition, the pursuit of high-quality sound, such as mounting a sound tuning pipe to reduce the peak of unnecessary high-frequency. It is easy to hear even during sports, we are tuning in clear sound clear.

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