4 WAY; 6" X 9" SPEAKERS WITH BRUSHED METALIZED SLIVER; EASY ADD-ON FOR EXISTING SYSTEMS; POLYPROPYLENE CONE; TREATED LONG THROW SURROUNDS; 1/2" MYLAR(R) TWEETER; DUAL PIEZO TWEETERS; FREQ RESP: 58 HZ - 20 KHZ; 135W - 150W PEAK POWER; RMS POWER: 50W;...