Electro-Voice EVID FM4.2 Flush Mount In-Wall Speaker System (Pair)The Electro Voice EVID FM4. 2 flush mounted loudspeaker system is a complete two way in wall loudspeaker package. The package consists of a bezel assembly, grille, rear enclosure, 4 two way loudspeaker coupled with a 4 passive radiator and an internal line matching transformer. The loudspeaker features 4 low frequency cone and high temperature voice coil assembly along with a 4 long excursion passive radiator and titanium coated dome tweeter. The EVID