Stealth’s StingRay 83 environmental outdoor speaker is completely hermetically sealed and fully immune to the elements, including rain, snow, ice or particulates. There are no grills, no openings, allowing it to even operate underwater.  The StingRay 83 and has an Ingress Protection rating (IEC IP rating) of IP-68, meaning it exceeds the top standard IP rating (IP-67) and has been certified for a minimum of 64 hours underwater at 1 meter depth.  It’s no wonder that the StingRay has become a key audio system speaker in some of the worlds most impressive Yachts.