Product profile · DAC / headphone amplifier / preamplifier
FiiO K17
A feature-rich desktop DAC, headphone amplifier and balanced preamp with verified power for 300-ohm headphones.
Best for
Where it fits
- 300-ohm headphones
- USB DAC to powered speakers
- Balanced preamp output
- Desktop PEQ
Avoid if
Where it does not fit
- A network streamer is required
- The smallest portable form factor is required
- A default sensitive-IEM path is the priority
Verified product record
Interfaces and capabilities
Recorded capabilities
Bluetooth receiverHeadphone outputParametric EQVariable preamplifier
Recorded connections
- Input: USB audio
- Input: Optical S/PDIF
- Input: Coaxial S/PDIF
- Input: RCA line
- Input: Balanced XLR
- Output: RCA line
- Output: Balanced XLR
- Output: 6.35 mm headphone
- Output: 4.4 mm balanced headphone
- Output: 4-pin XLR headphone
| Headphone output power | at least 240 mW/channel300ohm · source ↗ |
|---|---|
| Headphone output impedance | under 1 ohmheadphone_output · source ↗ |
Key limitationPublished high-power noise figures make low-gain IEM use a separate verification case.
Change tracking
Firmware and evidence status
Current in the 9 August 2026 evidence snapshot. Recheck firmware release notes when a protocol, app workflow or restart behaviour is decision-critical.
Open the official product source ↗
Last source review: 9 August 2026. An omitted feature means “not recorded here”, not automatically “unsupported”.
Connected decisions
Related scenarios and articles
Browse explainersCheck compatibility relationsTrack firmware
Member knowledge · editor reviewed
Questions, owner experience and product issues
Join the live member discussion below, or submit structured experience and issue reports for editorial review.
Loading reviewed community records…