The emergency microphone panel comes with an omni-directional dynamic microphone. The audio signal of the microphone is an unbalanced output of 3.5mV/Pa, 5000\u00CE and uniform frequency response between 200Hz - 11 kHz. There is a built-in push-to-talk switch on the unit. It is come with a coiled cable and 5-pin DIN plug. It also suppresses background noise and feedback.
The alarm can be triggered either automatically by the network signal or manually by pressing the “FIRE” button. The option of alarm can be either siren or recorded message. Message can also be recorded into the IC chip built in the unit. The record level and the output level can be controlled by rotary knobs on the front panel.
TA-8303 / TA-8306 / TA-8310