sentry 40v2t
Posted: Sun Feb 23, 2014 2:50 am
Sorry 

Discussion of Outdoor Warning Systems
https://www.airraidsirens.net/forums/
Instead of cluttering the board asking so many simple questions, go to the pamphlet on Sentry's website (or YouTube) and do your research, especially because the answer to this question is blisteringly obviouswhelen2900 wrote:Is it dual tound