FiiO K7vsFosi Audio SK02
A detailed side-by-side comparison of the FiiO K7 and Fosi Audio SK02 — two popular dacs in the Chinese HiFi space.
Specifications
Spec
FiiO K7
Fosi Audio SK02
Chipset
Dual AKM AK4493S
ESS ES9038Q2M
Inputs
USB, Optical, Coaxial, RCA Line In
USB-C, Optical
Outputs
6.35mm SE, 4.4mm Balanced, RCA Line Out
3.5mm SE, 4.4mm Balanced, 3.5mm AUX/Pre-out
Features
THX AAA 788+ Amps, RGB Sample Rate Indicator
High/Low Gain, PCM/DSD Indicators, Optical Input
Power
—
1100mW @ 32Ω (Balanced)
Remote Control
✗
✗
Tube Stage
✗
✗
Headphone Amp
✓
✓
Price (estimated)
Price
~$220
~$99
Difference
~$121.00 cheaper (Fosi Audio SK02)
Things to Know
FiiO K7
- ⚠Slight delay/lag when adjusting volume via the knob (due to ADC volume control implementation).
- ⚠No remote control or Bluetooth input.
- ⚠Volume knob curve is non-linear; volume ramps up very quickly in the last 20% of the turn.
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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