Blaupunkt GTx-542 5-1/4-Inch 2-Way Coaxial Speakers 5-1/4" 2-Way Coaxial (pair) 40 watts RMS (170 watts peak power) Injected Polypropylene (IPP) Woofer Cone Mylar (PEI) Tweeter Frequency Response: 70-20,000 Hz