Architech Sc-502E 5.25-Inch Premium Series Round Ceiling Speakers 50w Max 5.25" Polycarbonate Cone Woofer With 10oz magnet & 1" Eyeball Tweeter 50W Max 5.25-Inch Polycarbonate Cone Woofer With 10-Oz Magnet and 1-Inch Eyeball Tweeter Imp: 8_ Sensitivity: 90 Db @ 1W/1 M