4 zones + main announcement desk. Intend for MTA84.
This device allows to broadcast an announce with automatic fade of musical program, to one or several MTA84 outputs.
Microphone is specially designed for better using in very noisy background.
APL84 features a send order key, zone selection switches, and dip switches for zone forbidding. Microphone level setting on rear panel allows optimal adaptation to local conditions. The desk connects to MAT84 using RJ45.
It is possible to connect up to three APL84. The bus locks all other desk, when using one.