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Polk Atrium4 Pair

In stock
From $349

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.

Big Fidelity, Small Speaker

The Compact Atrium4 all-weather outdoor loudspeakers produce high-fidelity sound quality anywhere you want great audio. Their small size makes them ideal for tight, out-of-the-way installations and they can be mounted vertically or horizontally.

Key Features:

• All-weather enclosures
• Polk's exceptional audio quality
• 'Speed-Lock' easy mounting system
• Option of black or white

User Manual (PDF, 7.81MB)

Dynamic Balance ®

The perfect materials for performance, eliminating driver and tweeter 'artefacts' for more realistic sound reproduction at high and low volumes.

'Speed-Lock' Mounting System

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

More Information
Model Number Atrium4


- Bass/Midrange Driver: 4.5" (11.43 cm) Mid/Woofer
- Tweeter: 0.75" (1.91 cm) Tweeter
- Total Frequency Response: 75 Hz - 27 kHz
- Sensitivity (1 watt @ 1 meter): 89 dB
- Nominal Impedance: 8 ohms
- Recommended Amplifier Power: 10 - 80 watts
- Speaker Inputs: Pair of 5-way Binding Posts - Gold-Plated
- Available Orientations: Vertical, Horizontal


- Height: 21.91 cm
- Width: 14.45 cm
- Depth: 16.99 cm
- Weight:
1.63 kg (each)

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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.