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

Equipped with a newly developed 13.8mm dynamic driver A magnesium-aluminum alloy diaphragm that contributes to improved driver performance A magnet with a magnetic flux density of 1.5 Tesla powerfully drives the voice coil A large 8.6mm voice coil that produces high playback capabilities Sound control with interchangeable special sound tubes Acoustic Prism System that achieves ideal acoustic characteristics Uses F.T.B.S. technology to improve low-frequency sounds A housing design that achieves both high sound quality and stylish design A housing design that is meticulously crafted to create a beautiful sound Includes a 480-core cable made of a mixture of single crystal copper wire and silver-plated single crystal copper wire for high-quality transmission as standard