The PS10 is an electronic module developed and produced by F.I.A.M.M. Italy for emergency and security vehicles. The PS10 has a high resistance from water and dust infiltration ( IP67). The PS10 can be installed in aggressive environments like the engine compartment of a vehicle. The smaller size of the PS10 allows a easy installation. The PS10 is developed for long time working with a high sound level, so it can be mounted on every priority vehicle. For the PS10 system, FIAMM proposes six different types of loudspeaker (FB, FM, FS, NB, NS, NSC) for every vehicle installation requirements. The PS10 system is approved against electromagnetic disturb in conformity to the restrictive standard CEE 2009/19 and ECE Reg.10. The electronic module PS10-USSOUND-WY has the American sounds Hi-Lo, Wail, Yelp used in North America, Asia and East Europe.