Speakers: 6x8" Speakers Zero-protrusion tweeters to fit nearly any factory depth Woofer EVC tech assists with precise linear excursion UV-treated poly-foam surround Resists heat or direct sunlight Large woofer magnet in a heavy-duty motor for ultra-clean bass PEI-tweeter construction provides superb clarity Neodymium tweeter magnets 2-Way Speaker Design. 5" Balanced Dome Tweeter 3.5 Ohm DC Resistance 225W Peak Power 75W RMS Power 90dB Sensitivity 45-20kHz Freq Range 5x7-3/16" Mounting Hole Diameter 3/8" Top Mount Depth 2-3/16" Bottom Mount Depth Polypropylene Woofer Cone Material Polyester Foam Surround