Niles DS7HD (Ea.) 7-inch In-Ceiling L/C/R Loudspeaker (FG01621) Patent-pending Fully Pivoting Woofer Assembly 7" Aluminum Ceramic Woofer Cone With Curvilinear Profile 1" Nano Coated Ceramic, Aluminum & Titanium Dome Tweeter Single speaker - Priced and sold individually.