Australian police LRAD roof mounted weapon coming out of the Exhibition Park in Canberra

https://www.bitchute.com/video/cw2mPfPgGCsj/

Long-Range Acoustic Device (LRAD) is an acoustic hailing device, sound cannon and sonic weapon

Australian police LRAD roof mounted weapon coming out of the Exhibition Park in Canberra

Will this be used on dissenting Aussie citizens, or is this only to be used on foreign enemies and invaders?