Rockford Fosgate Punch P1694C 6-Inch x 9-Inch Full Range Coaxial Speakers 6-by-9-inch four-way speaker with 150 watts maximum power handling (75 watts RMS) Mica-injected polypropylene cone with foam surround 1/2-inch polyethermide dome tweeter Proprietary cold-rolled steel basket 40Hz - 21kHz frequency response with 91dB sensitivity