Architech Prestige Ps-601 6.5-Inch Kevlar Ceiling Speakers 140w Max 6.5" Woven Kevlar Woofer With Butyl Rubber Surround 1" Lens-free Aluminized Ferro-fluid, Pivoting Dome Tweeter 140W Max 6.5-Inch Woven Kevlar Woofer With Butyl Rubber Surround 1-Inch Lens-Free Aluminized Ferro-Fluid Pivoting Dome Tweeter Imp: 8_ Sensitivity: 91 Db