Polk Audio presents speakers so tough that even a desert war zone can't kill them. The Atrium8 SDI speakers feature stainless steel and brass hardware to eliminate rust worries, even outside. These speakers meet or exceed various government standards for salt fog, immersion, salt and corrosion tests. The 5-way binding posts are gold plated to prevent corrosion.
The speakers are a 6.5" mid/woofer with a mineral filled polymer cone and two 1" Anodized Aluminum dome tweeters with Neodymium motor structure. The sculpted front baffle and round enclosure minimize diffraction and deliver a more open, natural sound. The aluminum grill is 55% open for superior sound transmission without compromising the protection it gives the cones.
Exceptional Sound Quality The Polk Audio Atrium8 SDI boasts a 6.5" Dynamic Balance, mineral filled polymer driver and two 1" Anodized Aluminum dome tweeters to deliver crisp highs and accurate lows for an immersive listening experience.
Military-Grade Waterproofing Built to military specifications for waterproofing, the Polk Audio Atrium8 SDI is capable of withstanding water, salt and corrosion or any harsh environment for years of reliable performance anywhere in and around your home.
Dynamic Balance Technology The Polk Audio Atrium8 SDI boasts exclusive Dynamic Balance Composite Material Technology to eliminate the performance-robbing resonance, so the sound is always clear and clean without any distortion.
PowerPort Technology The Polk Audio Atrium8 SDI features PowerPort Bass venting for superior clean, low distortion bass that you can really feel. PowerPort vastly reduces chuffing or port noise and provides deeper, more powerful, lower distortion bass than could be realized with conventional ported or sealed designs of comparable size.
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