DAC
   
D20
24bit/96kHz coaxial and optical DAC, 16bit/48kHz USB DAC.
  D3
24bit/192kHz RCA & BNC coaxial and optical DAC, 24bit/96kHz USB DAC with built-in headphone amplifier.
  D30
Full 24bit/192kHz DAC with Coaxial, Optical and USB input. Support DSD64 and DSD128..