Kicker Dodge Ram Truck 1994-2011 speaker bundle - CS 6x9" coaxial speakers, and CS 5.25" coaxial speakers. 5.25s - RMS: 150 watts per pair / 75 watts each 6x9s - RMS: 300 watts per pair / 150 watts each EVC (Extended Voice Coil) technology for high thermal handling Durable, Ribbed UV-Treated Polyester Foam speaker surround for precise linear excursion Frequency response: 30-20,000 Hz