Overview Refined performance meets open-water freedom. The ERMS65 fills every ride with balanced, immersive sound and dynamic lighting, elevating your journey with A Higher Standard of Sound. Features UV / Saltwater-Protected Design – Special materials protect the speakers from UV rays and saltwater corrosion, so they last longer in harsh marine environments. IPX6 Ingress Protection Rating – Designed to withstand powerful water spray and rough conditions on the water. Premium 1" Silk Dome Tweete