FiiO K11 R2RvsSMSL D-6s
A detailed side-by-side comparison of the FiiO K11 R2R and SMSL D-6s — two popular dacs in the Chinese HiFi space.
Specifications
Spec
FiiO K11 R2R
SMSL D-6s
Chipset
Discrete 24-bit R2R Resistor Array
ESS ES9039Q2M
Inputs
USB-C, Optical, Coaxial
USB-C, Optical, Coaxial, Bluetooth 5.1 (LDAC)
Outputs
RCA, 4.4mm Balanced (Headphone/Line)
XLR (Balanced), RCA
Features
NOS/OS Modes (Non-Oversampling), Screen, RGB Logo
Remote Control, Sound Color Modes, 5V/2.4V Output Switch
Remote Control
✗
✓
Tube Stage
✗
✗
Headphone Amp
✓
✗
Price (estimated)
Price
~$169
~$199
Difference
~$30.00 cheaper (FiiO K11 R2R)
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.
SMSL D-6s
- ⚠The display is a simple 7-segment LED, which looks dated compared to OLED screens.
- ⚠The 'Sound Color' modes are very subtle and barely audible to most users.
- ⚠Bluetooth antenna is plastic and feels a bit cheap.
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