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Polk Audio > 
Item#: N82E16882290189

Polk Audio Atrium8 SDI Compact Indoor/Outdoor Speaker White Single

  • 45Hz-27kHz
  • 8 ohms 10-125 x 2 w/channel
  • 91 dB
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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.

  • newegg 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.
  • newegg 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.
  • newegg 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.
  • newegg 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.

Learn more about the Polk Audio Atrium8 SDI


Polk Audio
Atrium8 SDI


Indoor/Outdoor Speakers
Sold As
Driver Units
Mid/Woofer: 1 - 6.5" Diameter, Dynamic Balance Aerated Polypropylene Cone with rubber surround

Tweeter: 2 - 1" Diameter, Anodized Aluminum Dome with Neodymium motor structure
Power Rating
10-125 x 2 w/channel
Frequency Response
Nominal Impedance
8 ohms
91 dB
Gold-plated 5-way Binding Posts




Dimensions & Weight
12.88" x 8.5" x 9.19" / 9.70 lbs.
Ported (PowerPort Bass Venting)

Manufacturer Warranty

1 year limited
1 year limited

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

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Home > 
Electronics > 
Home Audio & Home Theater > 
Home Audio Speakers > 
Polk Audio > 
Item#: N82E16882290189
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