5-1/4" midrange with fiber-Impregnated cone 1-1/4" treated silver mylar tweeter with * Protection: self-resetting, PTC (tweeter), fuse (woofer) Elegant black ash enclosure * Ferro fluid 12" cast frame high-excursion woofer * Frequency Response: 28 Hz - 20 kHz * Power Capacity: 300 watts * 5-1/4" midrange with fiber-Impregnated cone; 1-1/4" treated silver mylar tweeter with Ferro fluid; 12" cast frame high-excursion woofer * Sensitivity (1w/1m): 93 dB