Sennheiser SK 5012 Notice D'emploi page 28

Connecting microphones
The transmitter has been
designed for use with
Sennheiser "lavalier" clip-on
microphones which are fitted
with a special Lemo plug.
The supply voltage for
powering these microphones
is fed via the transmitter's
microphone input. Connect
the microphone's Lemo plug
to the socket at the top of
the transmitter and lock the
connection by screwing down
the coupling ring.
SK 5012 - 28