After 25 years of unparalleled success in the Omni directional ceiling mounted speaker marketplace, Pure Resonance Audio has taken that experience and designed the ultimate commercial in-ceiling speaker technology. The SD4 takes ceiling speaker performance to a new level. For 25 years audio professionals worldwide have chosen the SuperDispersion® (SD) Ceiling Tile Speakers for their powerful sound, high performance, and distinctive styling. The SD4 is an innovative speaker concept that meets the demanding needs of audio and systems contractors worldwide.
SD Speakers' pyramid design fits into standard 2'x2' or 2'x4' in ceiling tile grids, providing an amazing 360 degrees of hemispheric sound. SD speakers are quick and economical to install and are competitively priced, making them an excellent value to contractors! SD4 ceiling speaker array systems offer performance, value and are ideal for Classrooms, Schools, Universities, Conference Rooms, Training Rooms, Teleconferencing, Churches, Retail Spaces, Restaurants, Corporate Offices, Sound Masking and many more.