I have the same hissing problem with the andromeda 2020, people claim the Apple dongle have no hiss or what so ever, but that is not true. I tried the lightning version (for iphone) and USB C version (on ipad and pc), both give hiss when playing quite music.
I end up using ifi iematch to eliminate the hiss, but I have mix bag for it affect on sound, so DAP seem to be the final solution of CA iem.
I have the same hissing problem with the andromeda 2020, people claim the Apple dongle have no hiss or what so ever, but that is not true. I tried the lightning version (for iphone) and USB C version (on ipad and pc), both give hiss when playing quite music.
I end up using ifi iematch to eliminate the hiss, but I have mix bag for it affect on sound, so DAP seem to be the final solution of CA iem.