Singxer SU-1 USB Digital Interface

Singxer SU-1 USB Digital Interface

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Product Description
Not happy with your DAC’s current USB performance? The Singxer SU-1 USB digital interface allows a great bypass, with many claiming it brings an improvement to the default USB interface of their high-end DACs Read More


Sampling Rates

  • PCM: 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz
  • I2S supports all sampling rate, S/PDIF supports up to 192 kHz
  • DSD: 2.8 MHz (DSD64), DOP, native; 5.6 MHz (DSD128) DOP, native; 11.2 MHz (DSD256) native
  • I2S output supports all DSD; S/PDIF, AES/EBU support DSD64 DOP mode

Bit Width

  • Up to 32 bit over I2S output
  • Up to 24 bit over S/PDIF
  • USB input socket is a standard USB-B type socket, USB power supply range 4.5V–5.1V
  • RCA connector outputs standard S/PDIF signal, electrical level is 550 mV (standard connection load), output impedance of 75 ohms
  • Power supply input is AC 115V/230V using TALEMA transformer

System Compatibility

  • Windows XP, Windows 7, Windows 8, Windows 10: 32/64 bit, need installed driver
  • Native Mac OS 10.6 and later: Use own driver
  • Native Linux with UAC2 compliant kernel: Use own driver
  • Android OS 4.2 and above: Need support OTG function

I2S Port Using HDMI Output

  • Electrical level is 3.3V LVDS differential signal
  • DSD ON signal, 5V power supply, CPLD has processed the mute signal (no need to process again)
  • DSD ON signal can be user defined, DSD ON signal can be connected to PIN 13, 14, 15, 16 on the socket
  • You can adjust the phase of PIN 1–3 and PIN 7–9 with a switch

Flexible HDMI-I2S Output Configuration

  • Switch 1–4 is for PIN13–16 on the HDMI socket
  • When you turn “ON”, it means that HDMI PIN has DSD_ON function
  • Switch 5 is clock output mode, “OFF” is MCLK, “ON” is WCK
  • Switch 6 is for HDMI PIN1–3 and PIN 7–9 phase, ON is positive phase, OFF is negative phase (ON is for Gustard DAC, OFF is for PS Audio)
  • If using Gustard DAC, turn Switch 3 and 6 to “ON”, others to “OFF”
  • Switch 7 and 8 are standby


Estimated ship date is July 11, 2018 PT.

Payment will be collected at checkout. After this product run ends, orders will be submitted to the vendor up front, making all orders final.