Rockford Fosgate T1462 Power 4"x6" 2-Way Full-Range Speaker (Pair) ICC (Integrated Concealed Crossover)|OEM adapter plate included|Aluminum dome tweeter with polyurethane suspension|Butyl rubber surround|Carbon fiber & polypropylene injection molded cone|1 Year|Standard Warranty 4-by-6-inch, two-way speaker with 90 watts maximum power handling (45 watts RMS) Carbon fiber & polypropylene injection molded cone with butyl rubber surround Aluminum dome tweeter with polyurethane suspension Built-in high-pass 12dB/octave Butterworth tweeter crossover 75Hz - 22kHz frequency response with 85.5dB sensitivity