Learn how the 2-way high fidelity CS308 In-Ceiling Speaker can be installed on a wall or ceiling or used with the Classroom Infrared Audio System. Behind its paintable frame & grill are a 6” woofer, 1” tweeter and integrated polypropylene cone. Its included ring & tile bridge are made with rugged 18-gauge steel for a solid connection & accommodates ceiling tiles & different-sized panels.