A couple of quick things to try..
moOde>Configure>System set the "USB (UAC2)" fix to ON and reboot.
moOde>Configure>System check that "Max USB current 2X" is ON (should be default for Rpi3B)
Otherwise some more info is needed.... What Dac, what usb storage device,what file type and quality etc..
Post output from..moOde>System Info
moOde>Configure>System set the "USB (UAC2)" fix to ON and reboot.
moOde>Configure>System check that "Max USB current 2X" is ON (should be default for Rpi3B)
Otherwise some more info is needed.... What Dac, what usb storage device,what file type and quality etc..
Post output from..moOde>System Info
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bob
bob