Kicker KSC40 KS Series 4" 10cm 2 Way Car Door Dash Coaxial Speakers 75w RMS
See below for more details. KSC40 Speakers. Kicker 47KSC404. KS Series 4" (100MM) COAXIAL SPEAKERS. Woofer Cone MaterialPolypropylene. Polypropylene woofer and tough rubber surrounds. Frequency Response [Hz]60-20k.