Fiio FH3 In-Ear Monitors Speakers 5 mm and 4

5 mm and 4

airy midrange presentation that audiophiles have returned to the HD 600 series for decades

5mm TRS outputs

Optional extras include AN copper foil in oil decoupling capacitors

Fiio FH3 In-Ear Monitors Speakers 5 mm and 4The Fiio FH3 is a modern classic hybrid: one 10 mm beryllium plated dynamic driver plus two Knowles armatures per side, in a CNC machined aluminum magnesium shell that undercuts most rivals. Years after launch it remains a benchmark recommendation in its class. Type and Technology The beryllium plated 10 mm woofer breathes through Fiio's patented S. Turbo turbine tube, a 41. 5 mm spiral that acts as a physical low pass filter for deeper, cleaner bass.