FiiO FD15 13.8mm Magnalium DLC HiFi Dynamic Driver in-Ear Earphone with Stainless Steel Shell, Detachable MMCX Cable (Black)

FD15 has made a breakthrough in audio technology. It has FiiO's latest acoustic patent F.T.B.S "Tesla Valve" low-frequency loading technology. Coupled with its premium manufacturing quality and exquisite craftsmanship, FD15 sets a new standard for sound reproduction. FD15 is the ideal choice for audiophiles who pursue unparalleled audio performance. It promises to provide an immersive listening experience that exceeds expectations. The FD15 introduces a truly high-end headphone-grade metal diaphragmmagnesium-aluminum alloy dome with DLC suspension. This innovative combination of materials enhances the listening experience profoundly: not only does the FD15 faithfully reproduce the spacious and soft essence of "circle taste," but it also achieves significant advancements in high-frequency extension and resolution. As a result, the overall sound is characterized by its bright transparency and refined delicacy. The FD15 is equipped with the F.T.B.S "Tesla Val