SMSL SU-1vsTopping DX3 Pro+
A detailed side-by-side comparison of the SMSL SU-1 and Topping DX3 Pro+ — two popular dacs in the Chinese HiFi space.
Specifications
Spec
SMSL SU-1
Topping DX3 Pro+
Chipset
AKM AK4493S
ESS ES9038Q2M
Inputs
USB-C, Optical, Coaxial
USB, Optical x2, Coaxial, Bluetooth 5.1 (LDAC)
Outputs
RCA
RCA, 3.5mm Headphone
PCM
32-bit / 768kHz
—
Features
MQA Decoding, Bus Powered, Metal Chassis
NFCA Amplifier, Auto-Standby, Gain Settings (+6dB/+19dB)
Remote Control
✗
✓
Tube Stage
✗
✗
Headphone Amp
✗
✓
Price (estimated)
Price
~$85
~$199
Difference
~$114.00 cheaper (SMSL SU-1)
Things to Know
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.
Topping DX3 Pro+
- ⚠No balanced headphone output (3.5mm single-ended only).
- ⚠The plastic volume knob feels less premium than the rest of the metal chassis.
- ⚠Some users find the 'auto-on/off' sensitivity too aggressive, waking up the unit randomly.
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