Understanding some customers’ want for customization, we placed an Easter egg in OL DAC for you to filter the sound however you see fit!
If you wish to experiment with the sound signature of your OL DAC, we left pads for a 3-position DIP switch on the PCBs, Omron Part# A6SN-3104. Ask for it when ordering and we’ll be glad to pre-install.
Edit 1: AKM provides a summary of the available filters.
Edit 2: As several have requested in the comments below, we reached out to AKM for clarification in mapping pins
SSLOW to their graphical descriptions: