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Polk Atrium 8 SDI

100% of 100
In stock
From $420

Please note: Not suitable for environments where the air has a high salt content, such as coastal areas.

For more info, please contact our helpful staff.

Polk's Flagship All Weather Loudspeaker.

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.

Available in White or Black.

Key Features
- 2-way design
- All weather enclosures
- Dual Tweeter Stereo speaker mode
- 6.5" Mid/Woofer, 2 x 1" Tweeters
- 125 Watts
- Single Speaker

Dynamic Balance®

Engineered with a dual voice coil, Dynamic Balance® aerated polypropylene cone with rubber surround for greater power handling and better efficiency.

This patented technology analyzes the speaker’s entire electro-acoustic and mechanical system for improved material selection and more efficient geometry.

Dual Input / Single Input Switch

The Atrium8 SDI has a patented dual input/single input switch. This switch enables the Atrium8 SDI to be used either as a single high-performance stereo loudspeaker, or the left-or-right speaker in a high performance stereo pair.

Stereo speakers love 4-core speaker cable
Because stereo speakers have connections for both left and right channels, running a single 4-core speaker cable is recommended as you only need to run a single cable to each of the stereo speakers. We have 4-core speaker cable available by-the-metre, or by-the-roll!

All Weather Certified and Water Resistant

Built to withstand the worst elements - salt-fog, UV, extreme temps or heavy rains, you name it.

PowerPort Technology

Smoothly transitions air flow from the speaker into your listening area for deep, extended bass impact while minimising turbulence and distortion.

Durable Construction

Aluminium grilles and bracket, with stainless steel and brass hardware means no rust - ever.

Speed Lock Mounting System

The Atrium series feature a quick and easy mounting system. Simply mount the bracket and click the speaker into place, aim it and tighten it down.


User Manual (PDF, 7.81MB)

More Information
Model Number ATRIUM8SDI


Bass/midrange Driver: 6.5" (16.51 cm) Dual voice coil driver with Dynamic Balance aerated polypropylene cone with rubber surround
Tweeter: 2 x 1" (2.54 cm) Anodised aluminium dome with neodymium motor structure
Total Frequency Response: 45 Hz - 27 kHz
Sensitivity (1 watt @ 1 meter): 91 dB
Nominal Impedance: 8 ohms
Recommended Amplifier Power: 10 - 125 watts x 2
Speaker Inputs: Pair of Switchable single / dual 5-way Binding Posts - Gold-Plated
Available Orientations: Vertical, Horizontal
Mounting Type: 180° Speed-Lock mounting system

 32.7 cm
Width: 21.59 cm
Depth: 23.34 cm

 4.4 kg

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2 Years
These Polk Atrium speakers include a 2 Year Australian warranty.

If you experience any issues with this product please don't hesitate to contact us.
How much does delivery cost?
We offer free post on all orders over $29 to anywhere within the Australian mainland and Tasmania.

Can I pick up my purchase from your store?
Yes. You can usually pick up your order from one of our stores. We recommend that you contact us first to ensure your order is ready for collection.

What happens if I'm not happy with my product when it arrives?
All change of mind returns must be in as new condition, in original packaging. We provide a generous 30-day change-of-mind guarantee on our products (unless otherwise stated). All change of mind returns must be in as new condition, in original packaging.

Please visit our FAQ page for answers to other frequently asked questions or contact us if you have any other questions or comments.