User Manual

You could also hook up like this, to put M13 Stompbox Modeler into
your amp’s effect loop without using M13 Stompbox Modeler’s send/
return jacks at all:
INPUT
L(MONO) RIGHT
FX SEND
L(MONO) RIGHT
OUTPUT
L(MONO) RIGHTL(MONO) RIGHT
FX RETURN
To amp input
From amp Send
To amp Return
These are just a few examples. Be creative!
Mono / Stereo Operation
Some models (like Stereo Delay) provide stereo operation. When run
before a mono model (like a distortion), the signal will collapse to mono
as it feeds the mono effect, and will then be passed on in mono to the
next effect or outputs.