FiiO K11 R2RvsFosi Audio K5 Pro
A detailed side-by-side comparison of the FiiO K11 R2R and Fosi Audio K5 Pro — two popular dacs in the Chinese HiFi space.
Specifications
Spec
FiiO K11 R2R
Fosi Audio K5 Pro
Chipset
Discrete 24-bit R2R Resistor Array
Texas Instruments NE5532 (Op-Amp)
Inputs
USB-C, Optical, Coaxial
USB-C, Optical, Coaxial, 3.5mm Mic In
Outputs
RCA, 4.4mm Balanced (Headphone/Line)
6.35mm Headphone, RCA Line Out
Features
NOS/OS Modes (Non-Oversampling), Screen, RGB Logo
Microphone Input, Tone Controls, PS5 Compatible
Remote Control
✗
✗
Tube Stage
✗
✗
Headphone Amp
✓
✓
Price (estimated)
Price
~$169
~$54
Difference
~$115.00 cheaper (Fosi Audio K5 Pro)
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 K5 Pro
- ⚠Microphone input has no gain control; volume depends entirely on the OS/Console settings.
- ⚠The internal DAC is limited to 24-bit/96kHz, which is lower than most audiophile competitors.
- ⚠Tone controls can introduce distortion if cranked to maximum.
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