810CXBT 810CXBT – 8″ Coaxial Speaker “Pro Series”10 ounce ceramic magnet3″ dynamic tweeter with crossover20 watts maximum input1″ aluminum voice coilFrequency range: 50-18,000 HZHigh compliance edgeImpedance: 8 ohmsSensitivity: 100 db (1 W/1 M)