STM

Public address systems; sound reproduction apparatus; loudspeakers; cabinets for loudspeakers; inline assemblies comprising a plurality of audio speakers and/or loudspeakers; component parts of audio speakers and loudspeakers; components of audio speakers and loudspeakers; electronic servo devices and circuits for controlling speakers; simulation, management, programming and/or measurement software for optimizing the installation of speakers and loudspeakers, for controlling and programming speakers and loudspeakers