This ultra-lightweight speaker system is suitable for all drones with a payload of ≥ 3kg. The PKI 6580 Drone Loudspeaker System includes the ground station, transceiver unit, monitor system for flight control and the speaker unit with integrated camera system. This drone loudspeaker system was developed to provide intelligible voice transmissions over a long distance. PKI can deliver this PKI 6580 system including drone or as pure stand alone version. The possible applications are immense, whether in law enforcement, a military use, civil defence tasks, commercial security, land protection, port and border security, population warning, personnel guidance, emergency warning, mountain and water rescue, etc.