Sure Electronics JAB2 Connection Manual page 14

Control
8, PC UI control – J12
Customers can connect JAB2 with ICP3 or
higher version(s) to get To get PC UI control,
J12
SigmaStudio Control or Bluetooth LE control.
8
With PC UI, you can adjust parameters of the
audio system to customize your audio.
ICP3 or
As for details, please refer to 'PC UI control'
Higher version(s)
part.