Rockford Fosgate T152 Power 5.25" 2-Way Full-Range Speaker (Pair) Carbon fiber and polypropylene woofer with butyl rubber Surround 1" aluminum dome tweeter on offset Suspension system Vertical attach Surround technique (vast) increases cone area 5.25-inch, two-way speaker with 120 watts maximum power handling (60 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 65Hz - 22kHz frequency response with 86.5dB sensitivity