Rockford Fosgate PPS4-6 car audio speakers feature a 6.5-inch midrange speaker with a nominal impedance of 4 ohms. They have a frequency response of 85-5KHz and a power handling capacity of 100W RMS/200W peak. The speakers come with grilles and trim rings for easy installation and have a mounting diameter of 5.67 inches and a mounting depth of 2.24 inches. They are designed to provide high-quality audio reproduction and are suitable for use in a variety of car audio systems.