Pioneer TS-G1020S 420 Watts Max Power 4" 2-Way G-Series Coaxial Full Range Car Audio Stereo Speakers with ALPHASONIK Earbuds;

4" G-Series 2-Way Car Speakers Power Handling: Peak: 420 watts per pair / 210 watts each RMS: 60 watts per pair / 30 watts each Injection molded polypropylene with mica cone Rubber coated cloth surround 1-3/16 Balanced dome tweeter Progressive Flex Suspension System spider gives extra support to the voice coil Ferrite magnet motor structure Top-mount Depth: 1-3/4" Cutout Dimensions: 4-1/4" 4 ohms impedance Frequency Response: 35 - 27000 Hz Sensitivity: 87dB