Model CTK1A Telephone Amplifying Device
can be used in bad environment with high noise and heavy pollution
such as power plant, steel factory, petrochemical factory and
coal preparation plant.
Functions and Characteristics
Able to connect with 2 loops of loudspeaker,
amplified power of each loop is up to 10W/8
Power supply: AC200V20%
Hanging installation, protection level IP54
With environment monitoring function,
able to monitor voice in the range of 5m
Amplifying open mode:
Reverse-polarity opening (The dispatcher should have the function
of sending reverse-polarity command)
20% 