Fill your boat or ATV with great sound by using this Polk Audio marine speaker system. Its Dynamic Balance technology eliminates resonant frequencies, and its 6.5-inch mid-woofers and 0.75-inch tweeters let you enjoy enhanced audio quality at 35Hz - 23kHz. The UV-tolerant cones and water-resistant surrounds of this 100W Polk Audio marine speaker system provide solid durability.Geek Squad® Installation RecommendedVisit your local Best Buy store for more information. | Polk Audio | | 6-1/2" 2-Way Marine Speakers with Polypropylene Cones (Pair | Black | Best Buy