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The Bose 251 Environmental Speakers environmental speakers deliver full, rich sound for your listening pleasure on the deck, by the pool or on the porch. Built to withstand the elements, these award-winning speakers provide reliable, year-round performance that will have you humming in the sun or singing in the rain.
Two 2 1/2" Twiddler drivers in an Articulated Array® speaker design
Lifelike stereo sound over a larger listening area instead of in one small "sweet spot" as with conventional speakers.
One 5 1/4" woofer in a patented multi-chambered bass enclosure
Uniquely structured, the chambers within this patented design filter out unwanted audible distortion in the low-frequency range. They also improve speaker efficiency, resulting in deeper bass from a small enclosure.
Talc and glass-filled polypropylene cabinet
Added durability against extreme conditions.
Patented multi-chamber bass enclosure for deep bass without audible distortion.
Engineered to withstand snow, sun, rain, ice and saltwater spray.