6-1/2"/6-3/4" 4-way car speakers (pair)     »  injection-molded polypropylene (IMPP) woofer with Aramid fiber and butyl rubber surround     »  1/2" PET dome tweeter and 3/8" PET dome supertweeter     »  1-1/2" lightweight diaphragm balanced-dome midrange     »  power range: 2-50 watts RMS (280 watts peak power)     »  frequency response: 30-33,000 Hz     »  sensitivity: 91 dB     »  top-mount depth: 2-5/16"     »  warranty: 1 year