contact microphone
contact microphone is a microphone.
Overview
Microphone that senses vibrations through contact with solid objects.
In detail
contact microphone is a microphone.
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
“Contact microphone”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2719348: contact microphone
Consult the source