Installer friendly Atlas Sound DT22 provides clear paging and background music in a labor saving package. Ideal for use in shopping malls, department stores, and anywhere large quantities of loudspeakers are to be utilized. The Atlas Sound DT22 2' x 2' drop in speaker system simplifies loudspeaker installation by providing an all in one speaker package in acoustic ceiling grids. The system includes the speaker / transformer, enclosure, and grille. Enjoy clear, crisp paging and background music from the installation friendly DT22 without compromising building cosmetics.