Method 1: Connect Solidcom M1 to FreeSpeak II via the 2-wire interface. The key settings are the 2-wire settings on the Solidcom M1 front panel, including input & output gain settings, cable length compensation, and others.
Method 2: Connect Solidcom M1 to FreeSpeak II via the 4-wire interface. The key settings are the 4-wire input & output gain settings and the line sequence settings on the Solidcom M1 front panel.