Me too, I have a pretty good “Outdoor Voice” or so I am told.
If I had an Amazon Account I might try to take advantage of
Prime days!
https://www.amazon.com/Portable-Megaphone-Speaker-Siren-Bullhorn/dp/B07GM59BD2/ref=asc_df_B07GM59BD2/?tag=hyprod-20&linkCode=df0&hvadid=309780951986&hvpos=&hvnetw=g&hvrand=6141295599046971071&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9009736&hvtargid=pla-564721659726&psc=1
Oh well, if they are available on Amazon, I am sure there will be a lot of them!