SM6V-W On-Wall Speaker with Volume Control 100V 6W WhiteThe SM6V is a functional on wall cabinet speaker. It has a 5 paper woofer and is equipped with 100 volt power transformer with power taps on 1. 5 3 6 watts. This speaker offers an excellent sound quality and a no frills design with a ABS plastic housing and metal grille. This speaker is ideal for professional use of background music and paging in public buildings, schools, parking garages or supermarkets. The SM6V is equipped with a volume controller.