Polk Audio DB402 4" 2-way car speakers

Car Boat Marine Audio 4-inch 2-way coaxial Speakers (Pair) Model: DB402 DB+ series RMS: 90 watts per pair / 45 watts each Peak: 270 watts per pair / 135 watts each Recommended Power Range: 15 - 45 watts RMS per channel Frequency Response: 60-22,000 Hz Sensitivity: 90dB IP65 rated - dirt and water resistant speakers Tested to withstand salt-fog, UV and humidity Made from non-resonant materials for clear highs, mids and lows Dynamic Balance (DB) Technology Polypropylene UV tolerant cone Waterproof inner and outer surround 0.75" shallow tweeter design Non-Corrosive Plastic Speaker Grilles included Steel Mounting Hardware Top-mount Depth: 1.79" Cutout Dimensions: 4.09" SPEAKERS GRILLES INCLUDED!