This guide will help you configure an additional set of speakers using your iD4+.
First connect your speaker cables to a spare pair of outputs on your iD4+. If you’re using outputs 1 & 2 for your main monitors, you’ll need to use outputs 3 &4 for your alternate speakers.
Then open the iD Control app, and navigate to the settings tab.
Then navigate to the ‘Routing’ tab.
Here you can assign each output of the iD+. To configure a pair of outputs as alternate speakers, simply assign the relevant output to the ‘Alt’ function, as shown below:
You can then either use the ‘Alt’ button on the front panel of the device, or the ‘Alt’ button within iD Control - shown below: