EN-54 Voice Evacuation System

"Based on domestic market and expand overseas business" is our development strategy for EN-54 Voice Evacuation System, China Speaker , Channels - Mixer Usb , 15w Ip Amplifier , We will do our utmost to cooperate & satisfied with you relying on top-grade quality and competitive price and best after service ,sincerely look forward to cooperating with you and make achievements in the future!