DJI AS1 Speaker for Matrice 4 Series – High-Decibel Drone Loudspeaker for Public Safety, Law Enforcement & SARThe DJI AS1 Speaker mounts directly to the DJI Matrice 4 series and broadcasts at 114 dB at 1 meter with effective range up to 300 meters. Real time voice, pre recorded messages, audio file playback, and text to speech, all controlled from the RC Plus 2. For SAR teams directing a subject toward ground crews, law enforcement giving compliance orders during a containment, wildfire teams broadcasting evacuation notices, agricultural operators dispersing