Atrium 8 SDI

High-Performance Outdoor Speaker with 6.5" Driver

$249.00
3.4 out of 5 Customer Rating
Atrium 8 SDI is rated 4.9 out of 5 by 37.
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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.

  • All-Weather certified
  • 6.5" Dynamic Balance® polypropylene woofer
  • Dual 1" Anodized Aluminum Dome tweeters
  • Speed-Lock Mounting system
  • Works as a single Stereo speaker or in a L/R Stereo pair
  • Polk's patented Power Port® design for enhanced bass

Color
Black White
Availability:
  • In Stock

$249.00

Atrium 8 SDI

Atrium 8 SDI

$249.00
$249.00
Estimated to ship on {0}
Extraordinary bass response

PowerPort® Bass Venting

You’ll experience space-filling sound in any outdoor area, porch, sunroom, or deck. Polk’s patented water-resistant PowerPort® efficiently adds 3dB of big, realistic, musical bass output. And when combined with its anodized aluminum tweeter domes, this speaker not only delivers powerful, high-quality sound output, but excellent midrange clarity.

Great outdoor sound

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.
  • Polk Audio All-Weather Certified 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
Details & Specifications

Reviews

Rated 5 out of 5 by from Wow I hooked mine up the the new 250w per channel sonos amp and wow they sound great they will fill any yard I have 2 set up as a left and right
Date published: 2022-10-31
Rated 5 out of 5 by from Great Sounding Speakers! I bought these 6 months ago and they have been great speakers for my outside area!
Date published: 2022-09-26
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Questions

What's a good avr for two 8 SDI speakers and TV outdoors?

Asked by: SDHa
Hello, We typically recommend Marantz or Denon AVRs to pair with our speakers. You can visit their websites for more information on their products and see which ones have the features you are looking for.
Answered by: Polk Audio
Date published: 2024-03-12

I have a large outdoor patio and will be using 2 Polk Atrium 8s in left and right speaker setup. What is the optimal distance apart for the speakers? Is 20 feet apart too far for use as L and R? 

Asked by: Nick S
Hello, The optimal distance for these speakers can vary depending on the environment you are placing them in and thus we cannot provide an exact estimate. 20 feet is fine to place them but that may result in the stereo field being very wide which may or may not sound pleasing to your ear. The best bet is to experiment and place the speakers at different distances to see what sounds best to your ears.
Answered by: Polk Audio
Date published: 2024-02-12

Hi is Yamaha Wxa-50 amplifier sufficient for 4 atrium 8

Asked by: Birla
Considering the WXA-50's specs, it should be a fine match for a single pair of Atrium 8 speakers. Connecting two pairs is not recommended. However, a speaker selector box may make it possible. I do suggest that you contact Yamaha to confirm. Speaker selector boxes are available from a third party and can be found online.
Answered by: Polk Audio
Date published: 2024-01-25

I'm creating a 3.1 outdoor theater area. Thinking of using two Atrium 8s as a center channel to create some oomf in the center, with single Atrium 8s as L and R, plus a buried subwoofer. Thoughts?

Asked by: TexasGuy
Hello, This would work just fine. Just be sure to connect the two Atriums correctly to your amps center channel. For further assistance you can contact our customer care team https://www.polkaudio.com/en-us/contact-us.html 800-377-7655 (Product Support)
Answered by: Polk Audio
Date published: 2024-01-04

If I get 2 of these, and want each one to operate each one as a single loudspeaker, how would I wire it to the Sonos Amp (which is 125W per channel)? 

Asked by: Nick S
Each speaker can accept a single channel of input or stereo input from an amp. If you want each speaker to be a single loudspeaker, then you would likely use two Sonos Amps and wire each one independently to the speaker. You can contact Sonos for more information on how their amps work with this configuration.
Answered by: Polk Audio
Date published: 2023-11-27

Is 75 watts per channel enough to drive these speakers 

Asked by: Skane
Hello, 75 watts is enough to drive these speakers.
Answered by: Polk Audio
Date published: 2023-11-27

What is the best gauge speaker wire to run these Atium 8's , my amp has 125w per channel? The runs are under 50 LF but Some articles I read say 14ga, others 16ga is fine

Asked by: DIYDAD28
Hello, Usually 16 Gauge wire is perfect for most home theater setups and low distance runs, but for anything that is over 50 feet from Amp to Speaker, 14 gauge wire may be the better choice for consistent signal transfer.
Answered by: Polk Audio
Date published: 2023-10-25

Can you place the Atrium 8SDI in the open with no protection from the elements?

Asked by: CW1744
Hello, the Polk Audio Atrium 8 SDI speaker is All-Weather Certified and made to withstand the elements. Please note, as with most all speakers, the speakers will sound best where sound has some surfaces to reflect off—installed under eaves or near another wall, for example. 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).
Answered by: Polk Audio
Date published: 2023-10-23
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