![Atrium 8 SDI, Black, dynamic](https://www.polkaudio.com/dw/image/v2/BGJH_PRD/on/demandware.static/-/Sites-master-catalog-soundunited/default/dwcf9bb068/polk/PDP_Images/Outdoor/Atrium/Atrium-8-Black/Atrium-8-Black_Image_front.png?sw=768)
![Atrium 8 SDI, Black, dynamic](https://www.polkaudio.com/dw/image/v2/BGJH_PRD/on/demandware.static/-/Sites-master-catalog-soundunited/default/dwebbcef3a/polk/PDP_Images/Outdoor/Atrium/Atrium-8-Black/Atrium-8-Black_Image_angle-left.png?sw=768)
![Atrium 8 SDI, Black, dynamic](https://www.polkaudio.com/dw/image/v2/BGJH_PRD/on/demandware.static/-/Sites-master-catalog-soundunited/default/dw13ca9f1b/polk/PDP_Images/Outdoor/Atrium/Atrium-8-Black/Atrium-8-Black_Image_side.png?sw=768)
![Atrium 8 SDI, Black, dynamic](https://www.polkaudio.com/dw/image/v2/BGJH_PRD/on/demandware.static/-/Sites-master-catalog-soundunited/default/dwacd41c84/polk/PDP_Images/Outdoor/Atrium/Atrium-8-Black/Atrium-8-Black_Image_back.png?sw=768)
![Atrium 8 SDI, Black, dynamic](https://www.polkaudio.com/dw/image/v2/BGJH_PRD/on/demandware.static/-/Sites-master-catalog-soundunited/default/dwcf9bb068/polk/PDP_Images/Outdoor/Atrium/Atrium-8-Black/Atrium-8-Black_Image_front.png?sw=2160)
Atrium 8 SDI
High-performance Outdoor Loudspeaker with 6.5" driver
Flagship all weather loudspeaker with single/dual input switch and dual tweeter array that lets you work the speaker as a single high/performance stereo loudspeaker, or L/R speaker in a high-performance stereo pair. It’s time to get that indoor sound you love - all from an outdoor loudspeaker you can put anywhere around your home.
- Engineered and designed in USA
- Great sound for every room
- 5 years warranty
- Built to last
-
Item Unavailable
Atrium 8 SDI
Atrium 8 SDI
Great outdoor sound
![](https://www.polkaudio.com/dw/image/v2/BGJH_PRD/on/demandware.static/-/Library-Sites-polk_europe_shared/default/dw23be0829/polk/PDP_Images/Outdoor/Atrium/Atrium-8-Black/Atrium-8_USP_prod-front.jpg?sw=768)
Patented Dynamic Balance®
Whether you’re lounging in your favorite chair, hosting a BBQ, or spending time with the family outdoors, you won’t miss a single word of your favorite tunes. The Atrium Series outdoor speakers deliver crisp, powerful vocals—without distortion. Their Patented Dynamic Balance® and Klippel Optimization Technologies ensure optimal material performance, eliminating driver and tweeter “artifacts” for more realistic sound reproduction at high and low volume levels.
![](https://www.polkaudio.com/dw/image/v2/BGJH_PRD/on/demandware.static/-/Library-Sites-polk_europe_shared/default/dwe6ab7b85/polk/PDP_Images/Outdoor/Atrium/Atrium-8-Black/Atrium-8_USP_prod-back.jpg?sw=768)
Polk All-Weather Certified
Made to withstand the elements, these speakers are built to last and produce rich, lifelike, space-filling sound—no matter the weather. Atrium Series speakers exceed baseline industrial and military specifications for environmental endurance (ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion).
![](https://www.polkaudio.com/dw/image/v2/BGJH_PRD/on/demandware.static/-/Library-Sites-polk_europe_shared/default/dw369dad59/polk/PDP_Images/Outdoor/Atrium/Atrium-8-Black/Atrium-8_USP_prod-side.jpg?sw=768)
Speed-Lock™ Mounting System
Sprucing up the patio or backyard is a cinch with easy, secure one-handed installations even in difficult locations. The Speed-Lock Mounting System ensures easy, safe one-handed installations and no-slip setting of the speaker angle. This greatly simplified mounting procedure means fewer parts and a quicker setup.
![](https://www.polkaudio.com/on/demandware.static/-/Sites-master-catalog-soundunited/default/dwc30cda60/polk/PDP_Images/Outdoor/Atrium/Atrium-8-Black/Atrium-8_5050-front.jpg)
Outdoor speaker family
Incorporate multiple Atrium speakers together to create the ultimate outdoor speaker system.
Key Technologies
-
Polk’s patented Power Port design provides greater surface area and smoother air flow for more output and less distortion compared to conventional ported speakers.
-
Proudly engineered and designed in Baltimore, Maryland, Polk products are crafted to meet high standards of quality, performance, and reliability, ensuring a premium audio experience that is the pinnacle of American Hi-Fi.
-
Polk’s exclusive lightweight Dynamic Balance® Polypropylene Cones deliver spectacular midrange clarity, punchy bass and high efficiency.
-
Atrium Series speakers exceed baseline industrial and military specifications for environmental endurance (ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion).
-
Polk’s patented Power Port design provides greater surface area and smoother air flow for more output and less distortion compared to conventional ported speakers.
-
Proudly engineered and designed in Baltimore, Maryland, Polk products are crafted to meet high standards of quality, performance, and reliability, ensuring a premium audio experience that is the pinnacle of American Hi-Fi.
-
Polk’s exclusive lightweight Dynamic Balance® Polypropylene Cones deliver spectacular midrange clarity, punchy bass and high efficiency.
-
Atrium Series speakers exceed baseline industrial and military specifications for environmental endurance (ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion).
Compare Polk Outdoor Speakers
![Atrium 8 SDI, Black, dynamic](https://www.polkaudio.com/dw/image/v2/BGJH_PRD/on/demandware.static/-/Sites-master-catalog-soundunited/default/dwcf9bb068/polk/PDP_Images/Outdoor/Atrium/Atrium-8-Black/Atrium-8-Black_Image_front.png?sw=360)
Dual 1" Anodized Aluminum Dome tweeters
Speed-Lock Mounting system
![](/on/demandware.static/-/Sites-master-catalog-soundunited/default/dw5bc35c49/swatches/black.png)
![](/on/demandware.static/-/Sites-master-catalog-soundunited/default/dw5a3e43a0/swatches/white.png)
1" Anodized Aluminum Dome tweeters
Speed-Lock Mounting system
![](/on/demandware.static/-/Sites-master-catalog-soundunited/default/dw5bc35c49/swatches/black.png)
![](/on/demandware.static/-/Sites-master-catalog-soundunited/default/dw5a3e43a0/swatches/white.png)
3/4" Anodized Aluminum Dome tweeter
Speed-Lock Mounting system
![](/on/demandware.static/-/Sites-master-catalog-soundunited/default/dw5bc35c49/swatches/black.png)
![](/on/demandware.static/-/Sites-master-catalog-soundunited/default/dw5a3e43a0/swatches/white.png)
3/4" Anodized Aluminum Dome tweeter
Speed-Lock Mounting system