(Public Address system) A sound amplification system comprising a microphone, amplifier and speakers. Primarily used for speech, PA systems are widely used in schools, auditoriums and sports arenas.

If we were to express an official view of the what these guys did once they hacked into a Target store’s PA system, we’d have to go with definitely uncool. However, it’s good to know that ...

With Auracast, compatible hearing aids and earbuds can receive direct audio streams, such as a PA system at a train station or an audio broadcast at a concert. Google notes that hearing aid ...