Custom Knowles BA driver

13.6mm beryllium dynamic driver
Patented S.Turbo acoustics design

Exotic-inspired acoustics design
3 pairs of interchangeable sound filters

New 4 Balanced Armatures 1 Dynamic Driver Flagship IEMs

FH7

Knowles BA drivers 

Beryllium-plated dynamic driver 
S.TURBO acoustic design

 Balanced pressure relief technology

2 BA 1 Dynamic Driver Hybrid Earphones

FH3

DLP 3D printed | Skin-friendly resin shell imported from Germany 
Quad Knowles Balanced Armature drivers per ear| 4-way crossover system
Unparalleled custom-IEM like comfort

Quad Driver Balanced Armature In-Ear Monitors

FA7

3.5+2.5mm | In-line Remote Control｜MMCX Connector

Triple Driver Hybrid In-ear Monitors

F9PRO

FH5

Quad Driver Hybrid In-Ear Monitors

Exotic-inspired Acoustics Design

Exotic-inspired S.TURBO technology Exotic-inspired independent sound tubes 

Knowles Balanced Armature Drivers

6 Knowles BA | DLP 3D printing

80.6mm ultra-long sound tube
4-way electronic crossover

3 sound adjustment switches

8-stranded monocrystalline silver-plated copper cable

6 Knowles Balanced Armature IEM 

FA9

Knowles 33518 Balanced Armature 
Large 13.6mm dynamic driver
Balanced pressure relief technology
Friendly HiFi tuning for popular music
High purity monocrystalline Litz copper cable 

Dual Driver Hybrid (DD & Knowles BA) Earphones

FH1s

FA1

Single Balanced Armature In-Ear Monitors 

Specially customized balanced armature driver

Detachable MMCX cable丨DLP 3D printed

Light andcomfortable丨Democratizing affordable excellent sound