FiiO F9Pro

Hi-Res Audio Certification

The F9 PRO has been certified by the Japan Audio Society to be "Hi-Res Audio" capable. This means that the F9 PRO is capable of a frequency response up to 40kHz, which can fully reproduce the audio and give you a natural and life-like listening experience that truly lets you listen to the music the way the artists wanted it to sound.

1 Dynamic Driver & 2 Balanced Armatures

The F9 PRO utilizes a hybrid design in which each channel is composed of one dynamic and two balanced armature (BA) drivers. The 9.2mm dynamic driver is specifically tuned to produce bottomless lows while the two BA drivers utilizing the American brand knowles' 30017, which precisely portray extended upper-mids and highs.

Knowles dual balanced armature TWFK-30017-000

The Knowles dual balanced armature TWFK-30017-000 gives the F9 Pro immense capabilities in resolving every last detail, all in a truly powerful and overwhelming presentation of your music – the way it was meant to be heard.

PEK polymer nanocomposite driver

The F9 PRO utilizes a dynamic driver made of PEK (polyether ketone) polymer nanocomposite, known for not only being tough but also being light. This allows the F9 PRO's dynamic driver to be highly capable of producing quick, detailed, and extended bass.

• 2 Micro Drivers (Knowles)
• 1 PEK Polymer Dynamic

• 3.5 mm Single Ended
• 2.5mm Balanced