Drop-in replacement installation; OPEN & SMOOTH(TM) sound design; Clear, high frequencies & deep rich bass; Low distortion; Midrange/tweeter bridge with Waveguide; High heat-resistant wire voice coils; Carbon & mica-reinforced IMPP woofer cones; Elastic polymer-surround material; 7.6oz ferrite woofer magnest; 11mm PET dome tweeters; 1 5/8 cellulose fiber cone midrange; 4,600Hz woofer to midrange crossovers; Imp: 4ohm ; Includes multifit installation adapters, screws, speaker lead wires & grilles; Pair; 3-way, 6.5 speakers; Freq resp: 37Hz-24kHz; 320W max, 70W RMS; Sensitivity: 87dB @ 1W/1m; 1 7/8 mounting depth;