Came across this article today that features them:
http://wnyt.com/article/stories/S3606935.shtml
And just came across this location page:
http://www.schohariecounty-ny.gov/Count ... temweb.pdf
There was also a really cool video of one going in High Low, but I could not find it. Funny, the one test I've been to, they were tested in wail...
Edit: even more odd, they test in air horn. It also appears some of the sirens are used for fire calls and 3 have voice capabilities:
https://www.youtube.com/watch?v=7YjwHjkjMG8