FIIO FD15 from authorized Japanese number Earphones Earphones FIO-IEM-FD15-B [Ships retailer/Serial included]

Ships from Japan Equipped with a newly developed 13.8mm diameter dynamic driver Magnesium-aluminum alloy diaphragm that contributes to improved driver performance A magnet with a magnetic flux density of 1.5 Tesla that powerfully drives the voice coil. Large voice coil with a diameter of 8.6mm that produces high playback ability Sound control with replaceable characteristic sound pipes Acoustic prism system that achieves ideal acoustic characteristics Adopts patented technology "F.T.B.S" that improves bass sound. Housing design that achieves both high sound quality and high design quality A case design that has been carefully crafted to create a beautiful look A 480-core mixed single-crystal copper wire and silver-plated single-crystal copper wire cable is included as standard, enabling high-quality transmission. FD15 is an in-ear monitor earphone equipped with a dynamic driver that is the successor to FD5. Equipped with a newly developed 13.8mm diameter dynamic driver and a new diaphragm made of Magnalium (magnesium-aluminum alloy). This is the latest model that enables effective diaphragm control using a powerful magnet with a magnetic flux density of 1.5 Tesla and new patented technology.