FiiO FT5 Review – FiiO’s First Open-Back Planar Headphones The all-new FT5 is FiiO’s first planar magnetic headphones. Planar magnetic drivers are in between dynamic and electrostatic headphones. Like dynamic headphones, there is a sort of coil on the planar driver. Similar to electrostatic headphones, the diaphragm is a special kind of thin, micron-level film. Tech Inside The FT5 comes with a 28nm chip-scale process, leading to an approximately 6μm thick diaphragm. These characteristics of the planar driver make it possible … Continue reading FiiO FT5 Review