Episode Extreme Environment In-Ceiling Speaker Episode Extreme Environment In-Ceiling Speakers are purpose-built for extreme environments. They are expertly designed to thrive in the harshest conditions. Whether enduring extreme temperatures, relentless moisture, salty air, or high winds, these speakers deliver uncompromising performance and exceptional durability. Built with marine-grade components, this speaker resists rust, corrosion, and UV wear to perform flawlessly in the toughest weather. From a screened porch to a coastal home, inside a sauna, or aboard a boat, you can trust Episode speakers to provide reliable sound with unmatched longevity, no matter where life takes you.