FiiO K11 R2RvsFosi Audio SK02
A detailed side-by-side comparison of the FiiO K11 R2R and Fosi Audio SK02 — two popular dacs in the Chinese HiFi space.
Specifications
Spec
FiiO K11 R2R
Fosi Audio SK02
Chipset
Discrete 24-bit R2R Resistor Array
ESS ES9038Q2M
Inputs
USB-C, Optical, Coaxial
USB-C, Optical
Outputs
RCA, 4.4mm Balanced (Headphone/Line)
3.5mm SE, 4.4mm Balanced, 3.5mm AUX/Pre-out
Features
NOS/OS Modes (Non-Oversampling), Screen, RGB Logo
High/Low Gain, PCM/DSD Indicators, Optical Input
Power
—
1100mW @ 32Ω (Balanced)
Remote Control
✗
✗
Tube Stage
✗
✗
Headphone Amp
✓
✓
Price (estimated)
Price
~$169
~$99
Difference
~$70.00 cheaper (Fosi Audio SK02)
Things to Know
FiiO K11 R2R
- ⚠Measurements (SINAD) are significantly worse than Delta-Sigma DACs (intentional for the R2R sound).
- ⚠The menu navigation via the single volume knob can be tedious.
- ⚠Can run warm due to the number of discrete resistors involved.
Fosi Audio SK02
- ⚠No dedicated power switch; long-press the volume knob to turn on/off.
- ⚠The volume status light flashes to indicate level changes, which some find annoying.
- ⚠Form factor is tall and narrow; light weight means it can tip over if using heavy cables.
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