Counter Service Intercom

Detail of  Counter Service Intercom:

The newest automatic gain sound recording and output at the same electric circuit
with the sound recording and output same port terminal.
It may record the voice with direct connection television monitoring equipment.Loaded with shutting-sound inside and outside switch prevents the information unauthorized
biography.
Ultra thin outside auxiliary machine, small volume, artistic outlook, outside microphone
built-in the auxiliary machine, there is only a connection between inside
and outside so the installment is simple. The special transformer does not give
off heat after the continuous working.
May broadcast professional diction by stages.CPU control circuit, sound recording by stages at will, may record professional diction
of the staff and broadcast as necessary to the auxiliary machine.