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About the Atrium 8 SDI
The Polk Audio Atrium 8 SDI is a high-performance indoor/outdoor loudspeaker engineered for durability and audio excellence. It features a 6.5" dynamic balance polypropylene woofer with dual voice coil design and dual 1" anodized aluminum dome tweeters with neodymium magnets. The speaker exceeds industrial and military specifications (ASTM D5894-UV Salt Fog, Mil-Std 810, Mil-Std 883) for environmental endurance, with UV-stable paint, moisture-resistant PowerPort bass venting, and stainless-steel hardware. The innovative single/dual input switch allows operation as a standalone stereo module or as part of a traditional left/right stereo pair. It includes a 180° Speed-Lock mounting system with adjustable bracket for horizontal or vertical orientation. Ideal for decks, patios, poolside areas, and indoor hi-fi setups, the Atrium 8 SDI delivers clear highs, deep bass extension, and wide dispersion for large outdoor spaces.
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