Overview Command every wave with immersive, high-fidelity sound. The ERMS77 surrounds your boat in rich, expressive audio and vibrant RGB light, creating an atmosphere as bold as your adventure, delivering 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
