Native Instruments MASCHINE MK3 Groove Production Studio (Black) User Manual
Page 697
Any audio source plugged into the first input of your audio interface will be available on the In 1 L input of MASCHINE, and
so on.
See
3.7.2, Preferences – Audio Page
Audio
page of the Preferences
panel.
Using Effects
Applying Effects to External Audio
MASCHINE - Manual - 697