All-weather design and performance that will exceed your expectations in an outdoor application From the patio to the pool, on a boat or a bookshelf, ELAN O Series Outdoor Speaker deliver the sound you want, anywhere you want it. Their design delivers a deep, clean bass that compliments the accurate highs and warm mids. Designed to withstand even the harshest weather conditions, O Series speakers will provide years of outdoor (and indoor!) listening pleasure.