VAC-CU-11LCD/ LT is a system manager combine with an audio input, audio output unit, matrix, DSP, speaker line controller and network switch in one device. Flexibility of this CU allows for optimization
Of both equipment and costs of operation in both minor and major structures as well as scattered groups of buildings. While working in the network system and when losing connection with a superior unit VAC-CU-11LCD/LT is able to carry out Evacuation scenarios independently thanks to the locally recorded configuration. If attached to the main communication ring of the system VAC-CU-11 can not only control amplifiers and power supply managers but receive alarm and digital signals and send them to other devices in the system as well. 

VAC-CU-11LT control unit distributes audio signals to individual zones and supervises the correctness of functioning of individual zones. It also controls the condition of a loudspeaker line and amplifiers. It detects and signals defects and insets a backup amplifier. This CU is equipped with an card offering 4 audio inputs and 12 audio outputs intended for connection of amplifier inputs.