Product Details:
Bose® Free Space® 51 environmental speakers offer exceptionally broad, even coverage due to a radial design that enables 360-degree sound dispersion. A rugged, weather-resistant casing and downward-firing 4½-inch full-range driver can withstand even extreme conditions.

Engineered and tested to withstand snow, rain, salt and temperature extremes of 158ºF (70ºC) to -40ºF (-40ºC).

• Survived the Salt Fog test 66% longer than the demanding Marine Industry Standard.
• Sturdy, weather-resistant construction withstands the rigors of year-round outdoor placement and loads of up to 350 lbs.
• Radial design disperses sound 360º for broad, even coverage.
• Enclosure uses its total capacity for optimal acoustic performance, delivering full-range sound over a large listening area.
• Driver complement: downward-firing Bose environmental 4-1/4" full-range driver.
• Polymer fiber composite driver cone combines high-quality sound reproduction with resistance to deterioration from extreme weather conditions.
• Centrally located port enhances low-frequency reproduction to help preserve music’s depth and richness outdoors.
• Domed port grille reflects high frequencies into the listening area to enable clear, natural-sounding consistent performance.
• Base flange with mounting holes provides easy installation on deck and other hard surfaces, or added stability in the ground.
• Three wire grooves on bottom allow for stable footing and a neat appearance when placed on hard surfaces.
• Rated at 50 watts IEC continuous power handling. Compatible with amplifiers or receivers rated from 10 to 100 watts per channel RMS
• and 4 to 8 ohms.
• Dimensions: 14.2" Height x 12.6" Diameter (36 x 32 cm).
• Weight in carton: 25 lbs. (11.3 kg).