With an 800 nanometer diamond-coated diaphragm, FiiO’s new FT15 headphones are for the serious audiophile

// Originally on MusicTech 18 September 2026

These new high-end planar over-ear headphones pair huge drivers with FAS-grade black walnut earcups for both a classy look and an improved sound. The post With an 800 nanometer diamond-coated diaphragm, FiiO’s new FT15 headphones are for the serious audiophile appeared first on MusicTech .

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