PA SYSTEM INTEGRATED WITH THE PRISON’S CONTROL. Figueres, Girona (Spain). All prison’s modules have been equipped with modular preamplifiers PM and desktop paging microphones SMP-94, linked by fiber optic with the control matrix-based center UMX. In total, more than 1,000 sound points and a PA system integrated into a number of security systems within the overall control program of the prison.