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Singxer SU-2 USB Digital Interface For Sale

Original price was: $470.00.Current price is: $235.00.
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13 - 20 Mar, 2025
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Description

The Singxer SU-2 is a USB digital audio interface that can also be used as an independent master clock. It comes with the latest ARM Cortex-M4 that controls the USB data and also uses a ultra-low jitter clock system. Among the various outputs it has, it includes XLR balanced AES, coaxial RCA BNC, I2S interface with HDMI socket, and a perfect master clock word clock output. Apos Audio also found that the SU-2 also supports an external 10 MHz clock input using the common 50 ohm input impedance design. 

When the SU-2 is used as an independent master clock, it can output a word clock of 44.1K-384K, or output a master clock of 22.5792 Mhz – 49.152 Mhz. It can be used as a frequency converter when an external 10 Mhz clock input is being used.

Note: This is the 110 V version. Please contact us if you are looking for the 220 V version.

Sampling Rates

  • PCM: 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384, 705.6, 768 kHz
  • I2S supports all sampling rate, S PDIF supports up to 384 kHz, DOP 128
  • DSD: 2.8 MHz (DSD64), DOP, native; 5.6 MHz (DSD128) DOP, native; 11.2 MHz (DSD256), DOP native; 22.5792 MHz (DSD512 ), DOP, native; 45.1584 MHz (DSD1024), native
  • I2S output supports all DSD; S PDIF, AES EBU support DSD128 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
        • 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
                • 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 and 6 are clock output mode
                        • Switch 5 “OFF” is MCLK, “ON” is WCK
                        • Switch 6 configures the frequency of MCLK, which is 22.5792M 24.576M when OFF , and 45.1584M 49.152M when ON . The configuration of switch 6 is valid for CLK OUT, RJ45-I2S, and HDMI-I2S

                          • Switch 7 can set the left and right channels in DSD mode in I2S signal separately

                          • Switch 8 can set the BCLK line sequence in the I2S signal
                            • When OFF, PIN4 is BCLK + and PIN6 is BCLK –
                              • Switch 9 can set the line sequence of LRCLK in I2S signal
                                • When OFF, PIN7 is LRCLK + and PIN9 is LRCLK –
                                  • Switch 10 can set the line sequence of DATA in I2S signal
                                    • When OFF, PIN1 is DATA + and PIN3 is DATA –

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