Routling installs audio devices that every Windows app sees. Use them to give an app something from your graph, or to bring an app in deliberately.

On the canvasIn WindowsUse
To Routling 1-4Routling OUT 1-4 (recording devices)Wire into it; the app picks it as its microphone
From Routling 1-4Routling IN 1-4 (playback devices)The app plays into it; wire it onward
From Routling Surround SpeakersRoutling IN 5 SurroundUp to 7.1 into Routling, one port per channel

Right-click → Routling I/O → Input or Output.

A processed microphone into Discord: wire it to To Routling 1, then choose Routling OUT 1 as Discord's input device.

Mic In
ASIO/Focusrite USB ASIO
Output
Mono
FX Module
FX Module · 2 effects
Input
Output
In L
In R
Out L
Out R
GateWet 100% - drag or scroll to adjust, double-click for 100%
CompressorWet 100% - drag or scroll to adjust, double-click for 100%
To Routling 1
WASAPI/Routling OUT 1 (Routling Virtual Audio)
Input
L
R

IN 5's speaker layout is set in the Windows Sound panel (Playback → Configure). There is no surround output.

Requires the WDM driver from the installer; without it the Routling I/O folder does not appear, and a node that cannot attach says so in the log.