- New


sales@midwest911.com
sales@midwest911.com
Features
Introducing Aftershock, SoundOff Signal’s first low frequency siren system for emergency vehicles. Aftershock’s low frequency sound waves produce deep warning tones, proven highly effective in
traffic clearing. Ideal for high traffic areas and busy intersections, Aftershock is available with
one or two speakers to meet your specific needs. Universal brackets included.
No customer reviews for the moment.