Additional plug to be used to seal the hole made by the metal collar, this can be used when your K1X is not in use and will make an accurate representation of the size and shape of the bore of your instrument before the collar hole was formed.
The K1X microphone requires a special instalation procedure which is included in the price.(additional collar installation is charged at £20)
Pick Up microphone sits flush with the bore via a hole formed into the neck or barrel
Microphone can be unplugged from the installed 'collar' which can be closed with supplied plug when not in use
Unit requires phantom power to operate