We have a 15 passenger van and it is so hard to talk to people in the back of the van without yelling (because of distance, road noise, others talking music on, etc)! This solves that problem. Not only is this loud enough to easily talk to everyone in the van, but the siren is great for getting attention, and the music is very annoying (which is a great bribe to get people to settle down). We also tried the PMP20 model first and it was not powerful enough, even though I liked the size better.
Rating:
[5 of 5 Stars!]