April Music Stello DA100 MKII - Manual (Page 18)

DA100 MKII
stello DA100 MKII DSD DAC page 16
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2) MAC OS Setup
-MAC OS do not need to install driver program.
-After you connect the DA100 MKII and MAC PC, select "AMAP
III" in [System Preferences > Sound] and set the volume to
maximum.