Rockford Fosgate Prime 5.25-Inch Full range coaxial speakers. Speakers feature Mica Injected polypropolene cone and .5-Inch Mylar balanced dome tweeter. CEA Certified 35 Watts RMS, 70 Watts peak power rating. Visit www.RockfordFosgate.com 24 hours a day for technical support or call (800)669-9899 M-F 7 am to 5 pm MST.