Be on the safer side.
Public Address and Voice Alarm systems allow safe and controlled building evacuation to be managed in the case of an emergency. Clear Voice messages can be initiated form the system to aid building evacuation.
Heavy duty address power amplifiers deliver clean audio power from 350 to 1500 watts RMS with less than 0.5% distortion.
Indoor Floor Speaker
Indoor Floor Speaker with max power 15w,sensitivity 89 bd
Outdoor Speaker max power 20w,sensitivity 103dB
Ceiling Speaker with max power 9W,sensitivity 91dB