It does not close the hole in the bouzouki at all, because it goes into the fingerboard,
where he screws the support wing of the other magnets.
Lightweight, without adding weight to the instrument.
It has a 600 Ωm low resistance coil and a built-in SMD technology preamplifier.
Works with one 1.5 Volt mini battery.
Manufactured with studio microphone materials and specifications.
It has a completely natural sound and a completely flat -FLAT-
response curve
Absolutely suitable for recording