Roland GO:MIXER PRO-X Audio Mixer for Smartphones - Manual (Page 5)

Connecting This Unit to Your
Smartphone with an Analog Cable
This unit includes a cable for making an analog
connection (3.5 mm TRRS audio cable) to your
smartphone.
SMARTPHONE
IN/OUT
* A single-channel (mono) signal is sent to your
smartphone.
* For smartphones that do not have an
earphones jack, a Lightning-3.5 mm headphone
jack adapter or a USB-C to 3.5 mm headphone
jack adapter (both commercially available) is
required.
* If you are using the SMARTPHONE IN/OUT jack,
operate this unit on battery power.
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