One way to do what you ask is to remove the DAC card and install a digital-output card. The one I use is the Allo DigiOne card. HiFiBerry also makes one, which I tried, but I don’t think it is as good as the Allo card.
One way to do what you ask is to remove the DAC card and install a digital-output card. The one I use is the Allo DigiOne card. HiFiBerry also makes one, which I tried, but I don’t think it is as good as the Allo card.