FiiO FH9 Earphone 1 Dynamic 6 Balanced Armature Driver IEMs

The FH9 is FiiO's first hybrid IEM to feature a self-developed 2nd generation DLC (diamond-like carbon) bass driver. Compared to the 1st generation driver, the magnetic circuit structure has been redesigned resulting in 20% higher magnetic density to better push the massive 13.6mm DLC diaphragm - which means an even more dynamic sound. And thanks to DLC's outstanding rigidity and high damping coefficient, the FH9's bass driver is capable of providing extremely quick transient response with extremely minimal distortion

The advantage of multi-unit products is that they can extract the advantages of different units and combine them. FH9 not only uses large-size moving coil units, but also uses Lou's ultra-high frequency moving iron units. The frequency response coverage is very wide and the energy density is large. This is very important for the playback of small energy information; for example, the ultra- high frequency energy is small, but it is extremely important, there is no sense of space, so better resolution requires sufficient sound density.

1 dynamic 6 BA driver design

Titanium alloy construction

Custom 6 Knowles BA setup

2nd gen DLC diaphragm bass driver

Specially-tuned frequency response

S.TURBO acoustic technology

Semi-open acoustic design

Specially-engineered notch filter

Interchangeable sound filters

Stainless steel angled MMCX connectors

High-purity monocrystalline pure silver cable

Hi-Res audio certified

Twist-lock swappable plugs