Reference

Components
Audio Devices
Description
You can use the Audio Devices component to find out how many audio devices there are on the system you're running on. The first output
tells you how many devices there are and the second output gives you a list of device names.
This component is used inside the Audio Selector module to provide the list from which you the choose an audio device.
Connectors
Inputs Type Outputs Type
N/A
Number of devices
available
Int
Array of device names
String Array
21 of 494