FiiO K11 R2RvsSMSL SU-1
A detailed side-by-side comparison of the FiiO K11 R2R and SMSL SU-1 — two popular dacs in the Chinese HiFi space.
Specifications
Spec
FiiO K11 R2R
SMSL SU-1
Chipset
Discrete 24-bit R2R Resistor Array
AKM AK4493S
Inputs
USB-C, Optical, Coaxial
USB-C, Optical, Coaxial
Outputs
RCA, 4.4mm Balanced (Headphone/Line)
RCA
Features
NOS/OS Modes (Non-Oversampling), Screen, RGB Logo
MQA Decoding, Bus Powered, Metal Chassis
PCM
—
32-bit / 768kHz
Remote Control
✗
✗
Tube Stage
✗
✗
Headphone Amp
✓
✗
Price (estimated)
Price
~$169
~$85
Difference
~$84.00 cheaper (SMSL SU-1)
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 SU-1
- ⚠No remote control or screen; input switching is a simple button on the front.
- ⚠No balanced outputs (RCA only).
- ⚠Lightweight chassis can easily be pulled off a desk by heavy cables.
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