Kicker 07DS600 6-Inch 160mm Coax Speakers (Pair) 6-inch coaxial speaker with reduced mounting depth for easy upgrades in doors or kick panels Injection-molded polypropylene cone with UV-treated ribbed surround 50 Watts RMS (100 Watts peak) power handling with 4-ohm impedance 43 Hz-21kHz frequency response One-year limited warranty