Standard 4-Inch Size Fits OEM Locations Poly-Mica Coated Woofer Cone 1-Inch High Temperature Voice Coil Neodymium Dome Tweeter Power Handling: 50 Watts RMS/100 Watts Max Impedance: 4 Ohms Frequency Response: 66-20kHzRubber Boot Magnet Cover Mounting Depth: 1.83-Inch Includes Grills, Wires and Installation Hardware