TC-Helicon VoiceLive 3 - QuickStart Guide - Manual (Page 15)

Making connections
Getting started – English quick guide 11
5. Stereo vocals and guitar amplifier
Keep in mind that your guitar amp may be miked
and come out through the PA. That part of the
signal flow isn’t shown in this setup example.
Guitar output is automatically muted in the XLR
signal path when a 1/4” guitar out connection is
made.