Polk Audio DB5251 5.25-Inch 2-Way Component System (Single, Silver) A single unit 2-way component speaker system Equipped with a 5.25-inch polymer/mica composite cone with rubber surround Maximum input power: 250 watts Equipped with one 1-inch liquid-cooled silk-polymer composite dome tweeter and a neodymium magnet Supplied adaptor rings enable a flexible fit for both 6.5 and 6.75-inch applications