Sturdy and versatile PROAUDIO PA loudspeakers are characterized by a strong professional quality power, easiness of installation and deep flexibility, making them fully adapted in any public address. Equipped with a protection circuit against short circuits between output terminals and overloads, they guarantee a maximum duration and reliability reducing maintenance costs. Thanks to their dedicated functions, controls and connections, PROAUDIO loudspeakers can be used by voltage or by constant acoustic impedance in the multi-channels and multi-zone audio systems.