FiiO F9
We need more than one usable review before publishing a score.
At a glance
- Brand
- FiiO
- Type
- Wired IEMs
- Fit
- -
- Connection
- Wired
- Noise cancelling
- No
- Released
- 2018
The FiiO F9 is a triple-hybrid in-ear monitor with a 9.2mm dynamic driver and two balanced armature drivers, offering a balanced sound signature with a notable treble peak around 7kHz. It features a comfortable design, detachable MMCX cables, and includes both 3.5mm single-ended and 2.5mm balanced cables.
The HearWiki takeAI-condensed
The FiiO F9 is a triple-driver in-ear monitor that combines a 9.2mm dynamic driver with two balanced armatures for a detailed, balanced sound with a treble emphasis. It comes with detachable MMCX cables, including both 3.5mm and 2.5mm balanced options, and offers a comfortable fit with a lightweight build. Priced around $100, it's a solid choice for those seeking a hybrid sound without active noise cancellation.
What works
- Balanced sound with clear treble detail
- Detachable MMCX cables with multiple connection options
- Lightweight and comfortable for extended wear
- Good value for a triple-driver hybrid design
What doesn't
- Treble peak may be too bright for some listeners
- No active noise cancellation
- Requires a source with enough power to drive efficiently
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
Specifications
| Driver | 1DD + 2BA hybrid |
|---|---|
| Driver type | hybrid |
| Driver configuration | 1DD + 2BA |
| Drivers per side | 3 |
| Frequency response | 15 Hz - 40 kHz |
| Impedance | 28 Ω |
| Sensitivity | 106 dB/mW |
Audio
| Driver | 1DD + 2BA hybrid |
|---|---|
| Driver type | hybrid |
| Driver configuration | 1DD + 2BA |
| Drivers per side | 3 |
| Frequency response | 15 Hz - 40 kHz |
| Impedance | 28 Ω |
| Sensitivity | 106 dB/mW |
Features
| Active noise cancelling | No |
|---|---|
| Controls | buttons |
Design
| Weight | 21 g |
|---|---|
| Detachable cable | Yes |
| USB-C | No |
| Connector | MMCX |
Own these? Rate them.
A minute of your experience with the FiiO F9 helps the next person shopping for them.
Alternatives in the $50–$200 range
Other wired iems models at a comparable price, ordered by HearWiki score.
More from FiiO
Other FiiO models in the database, same category first.
Where it sits in our rankings
The data-driven guides this model qualifies for.