Four-Channel Combined Modular Amplifier UMK-4 for Effective Communication Systems

The modular combined four-channel amplifier UMK-4 of UMK-4x250, UMK-4x500 models is intended for application in technological communication systems with functions of loud-speaking transmission of operational, service and information messages at industrial facilities, transport infrastructure facilities, in office and shopping and entertainment centres. The UMK-4 amplifier performs the functions of a four-channel broadcasting amplifier and provides formation, amplification and broadcasting over feeder lines of notification phrases and information files stored in the built-in memory of the amplifier or voice messages received from subscriber devices connected directly to the amplifier or switching station interacting with the amplifier via E1 and Ethernet interfaces.