Talk box
Talk box is an audio effects unit.
Overview
Effects unit that allows musicians to modify the sound of a musical instrument.
In detail
Talk box is an audio effects unit.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Talk box”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1778683: Talk box
Consult the source