Sony 6.5" Dual Cone Marine Speakers feature 6-1/2" diameter grilles with hexagonal openings for better sound dispersion and detachable faces so you can match your boat's interior. UV-, salt-, and water-resistant (IPX5), this speaker has a dual cone design with 145W peak power. Set of 2 speakers. Manufacturer model #: XSMP1611. 6-1/2" diameter grilles Hexagonal openings for better sound dispersion Detachable faces UV-, salt-, and water-resistant (IPX5) Dual cone design 145W peak power Sold in pairs