Standard 4-Inch Size Fits OEM Locations Poly-Mica Coated Woofer Cone 1-Inch High Temperature Voice Coil Neodymium Dome Tweeter Power Handling: 75 Watts RMS/150 Watts Max Impedance: 4 Ohms Frequency Response: 66-20kHz Rubber Boot Magnet Cover Mounting Depth: 1.75-Inch Includes Grills, Wires and Installation Hardware