kx driver, external loopback test 16-bit path:

• 16-bit 44.1 kHz
  
• 16-bit 48 kHz
  

kx driver, external loopback, FXBusX 24-bit path, recorded with SB Live! 24:

• Foobar playback 24-bit 44.1 kHz with src
  
• 24-bit 48 kHz
  

Creative drivers, external loopback, recorded with SB Live! 24:

• 16bit 44.1kHz
• 24bit 44.1kHz
• 24bit 48kHz

Big picture (580kB)

DAC and ADC