Kicker 46CSC684 CS Series 6"x8" 2-Way Coaxial Car Speakers with 225 Watts Peak Kicker's 46CSC684 6x8" 2-way coaxial speakers use a polypropylene cone with Extended Voice Coil technology for gathering the best sonic quality. It's using zero-protrusion PEI tweeters with neodymium magnets, you get the clarity you need without interfering with factory grilles. These coaxial speakers are the perfect way to upgrade your factory system. Product Highlights: 2-way 6"x8" Coaxial car speakers (pair) Polypropylene woofer cone with polyester foam surround 1/2" polyetherimide (PEI) balanced dome tweeter Zero-protrusion tweeters to fit nearly any factory depth Woofer EVC (Extended Voice Coil) tech assists with the 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 Neodymium tweeter magnets allow for an increased volume in high frequencies Grilles not included Power Handling: Handles up to 75 watts RMS (225 watts peak power) Frequency response: 45-20,000 Hz Sensitivity: 90 dB Woofer Size [ in, mm ]: 6×8, 160×200 Tweeter Size [ in, mm ]: 1/2, 13 DC Resistance: 3.5 ohm Top Mount Depth [ in, mm ]: 3/8, 9 Bottom Mount Depth [ in, mm ]: 2 3/16, 56