db401 4 Inch Coaxial Speaker 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 and a neodymium magnet 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,
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