Full range; 400W max/60W RMS; Freq resp: 55Hz-20kHz /-3dB; Sensitivity: 88dB @ 1W/1m; Pure copper voice coils; Mylar(R) dome tweeters; Moisture-resistant rubber surrounds with high mid-bass impact; Alpha-cellulose polypropylene cones; High-temperature special adhesive creates permanent bond between cones & surrounds; Epoxy-infused natural fiber spider; Overcoil cooling; Anti-resonant stamped steel basket; In-line 12dB crossovers; Spade connectors; Braided tinsel leads; Includes flush, surface & angle tweeter mounting hardware & grilles for the mid/woofers;