The external pin header (J7) can be connected to an audio device that supports SPDIF or I2S.

Pin Information

Name PIN
GND 1
SPDIF Output 2
5.0V 3
I2S MCLK 4
I2S LRCLK 5
I2S SCLK 6
I2S Data Output 7

Square soldering pad is Pin #1 as below picture.

How to use

It is recommended to solder the pins for easy use.

Android

ODROID Settings helps you to select an audio interface - HDMI, Lineout (3.5mm audio jack), SPDIF or I2S - supported by the ODROID-N2.
After selecting an output device, your selection will be applied to the device after a few moments.