Niles DS7PR (Ea.) 7-inch In-Ceiling L/C/R Loudspeaker (FG01617) Patent-pending Fully Pivoting Woofer Assembly 7" Aluminum Ceramic Woofer Cone With Curvilinear Profile 1" Fluid-cooled Teteron Dome Tweeter Single speaker - Priced and sold individually. Rustproof MicroThin loudspeaker grilles mount flush to the ceiling or wall to seamlessly blend with the room's decor.