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 magnets; 11mm PET dome tweeters; 1 5/8 cellulose fiber cone midranges; 4,200Hz woofer to midrange crossovers; Imp: 4ohm ; Includes multifit installation adapters, screws, speaker lead wires & grilles; Pair; 3-way, 5.25 speakers; Freq resp: 40Hz-36kHz; 300W max, 50W RMS; Sensitivity: 87dB @ 1W/1m; 2 mounting depth;