This bundle contains a pair of Polk Audio DB652 6.5" Coaxial Speakers with Marine Certification, and a pair of Kicker 12KMTESW Wake Tower/Roll Bar Speaker Enclosures, White. Polk DB652 6.5" Coaxial Speakers with Marine Certification Perfect for anything: Cars, Trucks, Boats ATVs & More. Everything you love about Polk’s Dynamic Balance technology—that rich, clean, full-range sound—is built into the marine-tough, yet ruggedly sophisticated, DB+ series. And with its universal fit, it can be installed in any vehicle: Automobiles, motorcycles, boats, ATVs—you name it.