iConnectivity AUDIO4c Desktop 4x6 USB Type-C Audio/MIDI Interface - Manual (Page 22)

Play USB1 Analog output page, stereo unselected
Play USB 2
● This sets Audio inputs 1-4 to both USB ports 1 and 2 on their 1-4 inputs.
● USB Port 1’s outputs 1-2 to USB Port 2’s inputs 5-6.
● USB port 2’s outputs 1-2 to USB port 1’s inputs 5-6.
● The mix configuration is the main difference between Play USB1 and Play USB2, which can be
seen in the mixer settings: the analog inputs are not passed to Analog 1/2, Analog 3/4, or
Phones mix.
DAW input list for Play USB1 mode:
USB 1 USB 2
1 Analog input 1 1 Analog input 1
2 Analog input 2 2 Analog input 2
3 Analog input 3 3 Analog input 3
4 Analog input 4 4 Analog input 4
5 USB port 2 : output 1 5 USB port 1 : output 1
6 USB port 2 : output 2 6 USB port 1 : output 2
7 USB port 2 : output 3 7 USB port 1 : output 3
8 USB port 2 : output 4 8 USB port 1 : output 4
AUDIO4c User Guide v2021-0002 Page 15