I was a volunteer Firefighter and Public Safety Officer in the Tennessee mountains until I retired and moved away. I had my Carson Carson SA-441 MagForce Siren with dual speakers for years and years. I bet those tones are still echoing along the Appalachian mountains! Carson sirens are the only sirens I recommend.
We have these in all of our ambulances. I believe it is the SA-500 model. By far the best sirens I have ever used. They never quit running and they're loud as hell, especially with dual speakers
Hi...in some of these Carson units...there are toggle switches inside the unit,which are adjustable to make the siren tone or unit operate in different ways.
Do I have to have the amplifier I forgot to get the out of the ambulance we sold and I only got the Carson sa 441 touch head and a Whalen siren speaker
If you open the unit up there will be a set of small switches you can just the whale and yelp for short burst manual is for quick while for yelp to intercept other vehicles