Polk Audio DB571 5-by-7-Inch Coaxial Speakers (Pair, Black) 5" x 7" 2-way Speakers (Marine Certified) Power Handling: Peak: 360 watts per pair / 180 watts each & RMS: 120 watts per pair / 60 watts each Dynamic Balance polymer/mica composite mineral filled cone is stiff yet lightweight for big sound and little distortion 19mm liquid-cooled silk/polymer composite dome tweeter with neodymium magnet for clear and detailed highs Multi-hole mounting pattern and shallow depth for easy drop-in installations in most cars Pair of marine certified speakers perfect for use in boats of all types Equipped with a 0.75-inch liquid-cooled silk-polymer composite dome tweeter Maximum input power: 180 watts Equipped with a dynamic balance polymer/mica composite mineral-filled cone for a big sound Durable butyl rubber surround stands up to the stress of extreme temperatures, sunlight and time