[youtube]j9y5FOZbcs4&feature=youtu.be[/youtube]
https://www.youtube.com/watch?v=j9y5FOZ ... e=youtu.be
Recorded on August 1st, 2018. Here's the ambience of the Minneapolis siren system along with my 3D printed siren mounted on the tower. The mini siren was about 15 feet away and it was running on 5v since 12v was too loud. Even on 5v, it was still quite loud outside.