SU-X vs VMV D3R
The VMV D3R's signal-to-noise is 123 dB against the SU-X's 128 dB. Both share bit depth (32-bit), max sample rate (768 kHz), and thd (0.000%).
AI-generated product photo — not official manufacturer imagery.
DigitalDACsPre-Amplifiers
Estimated price (community-sourced)
$849
Around — community and catalog average, updates slowly
About the SU-X
The SMSL SU-X is a high-end desktop DAC and preamp designed for audiophiles who want very low distortion, wide format support, and flexible digital connectivity. It uses dual ESS ES9039MS PRO DAC chips in a balanced architecture, a 3rd-generation XMOS XU-316 USB interface, and SMSL’s CK-03 clock processing to reduce jitter. It supports MQA and MQA-CD decoding, native DSD512, PCM up to 32-bit/768 kHz, and Bluetooth 5.1 with high-resolution codecs. Reviews describe it as highly resolving, neutral, and capable as a preamp, with strong measurement performance and premium build quality.
Specifications
Digital Audio
DAC capabilities and digital audio processing
- Bit Depth
- 32-bit
- Max Sample Rate
- 768 kHz
- DSD Support
- DSD512
- MQA Support
- Yes
- DAC Chip
- ESS ES9039MS PRO
Analog Output
Analog signal output specifications
- THD
- 0.000%
- SNR
- 128 dB
- Output Voltage
- 2.5V RMS
- Max Output Voltage
- 5.2V RMS
Connectivity
Input and output connections
- Bluetooth
- Yes
- Bluetooth Codecs
- LDAC, aptX HD, aptX, AAC, SBC
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- USB-C, USB-B, S/PDIF coaxial, AES/EBU, TOSLINK optical, I2S
- Analog Outputs
- RCA line-out, balanced XLR line-out
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 250 × 51 × 217 mm (W × H × D)
- Weight
- 2.7 kg (6 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions