FIIO FD15 (FIO-IEM-FD15-S) Earphones [Ships from an Authorized Japanese Retailer, Includes Serial Number]

The FD15 is a dynamic driver in-ear monitor earphone, the successor to the FD5. It features a newly developed 13.8mm dynamic driver and a new diaphragm made of Magnalium (a magnesium-aluminum alloy). This latest model features a powerful magnet with a magnetic flux density of 1.5 Tesla and new patented technology, enabling effective diaphragm control.

Equipped with a newly developed 13.8mm dynamic driver

Magnesium-aluminum alloy diaphragm that contributes to improved driver performance

1.5 Tesla magnet for powerful voice coil drive

Large 8.6mm voice coil for high playback performance

Sound control via replaceable characteristic tube