Running at 12v and recorded at varying distances
50 db @ 19cm
After conversion the results at 2m are as follows
30db
Running at 7v and recorded at varying distances
50 db @ 10cm
After conversion the results at 2m are as follows
24db
Running at 5v and recorded at varying distances
50 db @ 7cm
After conversion the results at 2m are as follows
21db
