Kicker 07DS350 3.5-Inch 89mm Coax Speakers (Pair) 3.5-inch coaxial speaker with reduced mounting depth for easy upgrades in doors or kick panels Injection-molded polypropylene cone with UV-treated ribbed surround 15 Watts RMS (30 Watts peak) power handling with 4-ohm impedance 80 Hz-20kHz frequency response One-year limited warranty