50W—100W PER CHANNEL; 6.5" POLY WOOFERS WITH BUTYL RUBBER SURROUNDS &; DOME FERRO-FLUID COOLED TWEETERS; IMP: 8_ NOMINAL; FREQ RESP: 45 HZ—20 KHZ ; SENSITIVITY: 91DB@1W/1 M; OVERALL DIM: 8.375" ROUND; REQUIRED CUT-OUT: 7.375" DIA ; REQUIRED DEPTH: 2.875" ;