Roland GO:MIXER PRO-X Audio Mixer for Smartphones - Manual (Page 19)

Multitrack Recording with a DAW
USB *9 *10
LOOP BACK=OFF *9
LINE IN 1
LINE IN 2
MIC
GUITAR/BASS
INSTRUMENT
(L/MONO, R)
(*9) If you want to use a DAW app to record your
performance, set the [LOOP BACK] switch to the “OFF”
position. In this case, you can’t use the [HEADPHONE/
SMARTPHONE OUT] knob to control the volume of the
smartphone that’s connected to the USB port (p. 22).
(*10) Audio is output to the smartphone as two channels
(stereo).
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