Architech Prestige OEMAP815LCRS 8-Inch Kevlar 15 Degree Angled Ceiling LCR Speaker 160W Max 8-Inch Woven Kevlar Woofer With Butyl Rubber Surround 1-Inch Lens-Free Aluminized Ferro-Fluid Pivoting Dome Tweeter Imp: 8 Sensitivity: 91 Db.