 EN54-16 standards Voice alarm system
 Built-in 4*120W 4 zone class-D amplifier
 Built-in 4 zone speaker line low impedance real time supervision.
 Built-in amplifier auto changeover into standby when fault.
 Built-in battery charger to charge the battery.
 Capacity of connection 8 units remote microphones.
 Red button EVAC message push to activate with priority except fireman microphone.
 4 zone speaker outputs with separate zone volume control (ATT).
 4 zone separate indicator for EVAC, fault, music/paging & select