Reference:
EST-DMS-LCD
Zone microphone with 4.5 inch LCD touch screen for quick and clear system administration and management. Possibility of selecting zones and messages to be played (pre-recorded or 'live') and other audio input. Monitored connection of the unit to the system. 5 fully programmable keys with the possibility of connecting up to five 20-key extensions. 4 non-symmetrical audio inputs, stereo jack connector (1/8").