Kicker 07DS460 4-Inch X 6-Inch Coax Speakers (Pair) 4x6-inch coaxial speaker with reduced mounting depth for easy upgrades in doors or kick panels Injection-molded polypropylene cone with UV-treated ribbed surround 25 Watts RMS (50 Watts peak) power handling with 4-ohm impedance 50 Hz-20kHz frequency response One-year limited warranty