Kicker KSC670 KS Series 6.75" 17cm 2 Way Car Door Coaxial Speakers 100w RMS
See below for more details. Kicker 47KSC6704. KS Series 6.75" (165MM) COAXIAL SPEAKERS. Woofer Cone MaterialPolypropylene. Polypropylene woofer and tough rubber surrounds. KSC6704 Speakers. Frequency Response [Hz]40-21k.