Gustard U16 USB Digital Interface


The Gustard U16 adopts the latest USB audio interface solution ES8620 from ESS. It supports up to PCM 32 bit / 768 kHz and DSD512, and is compatible with both DoP and Native DSD. In order to ensure the highest quality digital audio signal and the lowest clock jitter, the machine uses up to three FPGAs to implement USB audio interface clock management, an external 10M clock, and an independent power supply. The U16 also comes with coaxial RCA, optical fiber, XLR AES3, and HDMI ports for easy pairing with other equipment.


  • USB port: USB Type-B female port, support USB2.0
  • 10M BNC input impedance: 50 Ohm
  • 10M BNC maximum input amplitude: 16dBm
  • RCA coaxial S/PDIF output impedance: 75 Ohm
  • RCA coaxial S/PDIF output level: 500mVpp a 75 Ohm
  • RCA coaxial S/PDIF load: 24bit 44.1k-384k/DOP64-128
  • XLR AES3 output impedance: 110 Ohm
  • XLR AES3 output level: 2.1Vpp at 110 Ohm 
  • XLR AES3 load: 24bit 44.1k-384k/DOP64-128
  • OPTICAL TOSLINK port: 24bit 44.1k-192k /DOP64
  • Multi-function BNC output impedance: 75 Ohm
  • S/PDIF output level: 750mVpp at 75 Ohm 
  • Word Clock output level: 3.3Vpp MAX at noload
  • S/PDIF support specification (when S/P OUT is selected): 24bit 44.1k-384k/DOP64-128
  • Word Clock output frequency (when WCK OUT is selected): PCM: 44.1k-768k.
  • DSD: 2.82M-22.57M
  • IIS over HDMI interface (non-standard HDMI interface); Differential I2S signal with LVDS output level
  • PCM: 32bit 44.1k-768k, DSD 2.82M-22.57M (DSD64-DSD512)
  • AC power supply: AC 115V/230V 50/60Hz
  • Power consumption: <15W
  • Dimensions: 6.6 x 8.6 x 1.9 in (17 x 22 x 5 cm)
  • Weight: 5.5 lbs (2.5 kg)

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