Niles RS6Si Shale Brown Pro Weatherproof Rock Loudspeakers No Fade Protective Paint Weatherproof Design Surpasses Military Standard 883 For Corrosion Resistance Designed For Extreme Environmental Conditions And Both UV Exposure And Water Resistance Proprietary 4-layer Fiberglass Construction Makes The Cabinet Acoustically Inert And Completely Weatherproof Artistically Crafted Cabinet With Shaped MicroPerf Aluminum Grilles Looks Natural And Realistic