1 Pair (Bulk Packaging) Polk Audio AA2652-A MM651UM 6.5-Inch Coax Ultra Marine Speaker Completely Sealed front design prevents water intrusion. Rugged, Built-On Grille Includes Tweeter Mount eliminates the need for a traditional tweeter post. Sealed Crossover Assembly Built Into Back of Magnet means theres no need to find room to hide an extra box. Steel Heavy Duty Input Terminals will not corrode or tarnish. Passes The Most Rigorous 600 Hours of Salt Fog and UV Testing