I’m having the same issue. My D300 has been working fine for months, but a few days ago, it started producing white noise. I’ve tried a hard reset and even tested using Volumio, but the issue persists. I’m certain it’s the DAC, since DSD is working normally using a different DAC.
Usually a sign for using DSP on a DoP stream. Disable any DSP in use (includes any volume changes).
The D300 firmware I use doesn’t support DoP and I also have DSP disabled but still no luck.
Yupe. I’m almost 100% sure it’s the firmware.