Digital voice evacuation system all in one amplifier. Specifications meet the standards of BS EN54-32 & EN608409. EN54-16 standards certificate is under taken. Built-in 240W 6 zone class-D amplifier. Integration of EVAC controller, paging system, PA system & BGM system together. Built-in two separate players for EVAC and alert voice message by SD card. Built-in 6 zone AB speaker line low impedance supervision.