Singxer SU-6


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The Singxer SU-6 USB Digital Interface has the XMOS' latest xCORE-200 series and Xilinx's high-performance large-scale PGA chip. It uses a thermostat-level clock system and Crystek's two CCHD-957 femtosecond crystal oscillators to provide a solid foundation for the superior audio signal quality of the SU-6 output. For outputs, it has an S/PDIF for fiber/coaxial RCA and BNC outputs, AES/EBU for XLR balanced output, RJ45, and HDMI interfaces. The power system design is optimized and the audio section is powered by a 7.5F (7.5 million uf) super capacitor.


  • Sample rate supported by each output interface:
    • PCM: 44.1KHz, 48KHz, 88.2KHz, 96KHz, 176.4KHz, 192KHz, 352.8KHz, 384KHz
    • 2.8 MHz (DSD64) - DoP, native
    • 5.6 MHz (DSD128) - DoP, native
    • 11.2 MHz (DSD256) - DoP, native
    • 22.5 MHz (DSD512) - native
    • Bit width: up to 32 bit over I2S output
    • Up to 24 bit over S/PDI, AES/EBU
  • Compatibility: Windows 7/8/10, MacOS 10.6 and later, Native Linux with UAC2 compliant kernel, Android OS 4.2 and above
  • Electrical standards for each interface:
    • USB power supply range is 4.5 V - 5.1 V
    • DC Input is 7.5 V - 9 V
    • BNC interface and RCA interface level is 550 mV with the output impedance of 75 ohms
    • XLR interface output standard AES / EBU signal level is 3.3 V and the¬†output impedance is 10 ohms
    • World Clock output level is TTL and the output impedance of 75 ohms
    • RJ45-I2S output I2S signal is CMOS (5V)
    • Optical fiber port outputs the standard optical signal

Singxer SU-6 User Manual Download

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