Combines desktop-grade DAC architecture and up to 900 mW of output power in an ultra-compact chassis. The flagship ESS ES9027SPRO DAC, 10-band PEQ, and color display allow you to enjoy exceptional sound quality and extensive audio customization options.

DAC: ESS ES9027SPRO (single DAC with 8 parallel channels)
USB processor:XMOS XU316

Featuring flagship AKM DAC chips, a fully balanced audio architecture and extremely powerful balanced headphone amplification of up to 4000mW, allowing for accurate and natural music reproduction. Integrated 31-band parametric equalizer, network streaming and a touch screen make it a versatile all-in-one solution.

FiiO K17won the prestigiousEISA 2025–2026award as an outstanding headphone amplifier, confirming its flagship sound quality, power and technological superiority.


DAC:AK4191 + 2× AK4499EX;
Power (balanced):up to 4000 mW + 4000 mW (32 Ω).