Polk Audio DB521 5.25-Inch Coaxial Speakers (Pair, Silver)

5 1/4 inches 2 way Speakers (Marine Certified) Power Handling: Peak: 275 watts per pair / 135 watts each & RMS: 90 watts per pair / 45 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: 135 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