Polk Audio Atrium4Polk Audio Atrium4Polk Audio Atrium4
Polk Audio Atrium 4
Polk Audio Atrium4
Polk Audio Atrium4
Polk Audio Atrium4

Polk Audio Atrium4 All-Weather Indoor/Outdoor Speakers – Black (Pair)


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  • Engineered and designed in USA
  • Great sound for every room
  • Built to last

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Product Description

Atrium 4 Black – Overview

Big Fidelity, Small Speaker. The Compact Atrium4 loudspeaker produces high fidelity sound quality anywhere you want great sound. Its small size makes it ideal for tight, out-of-way installations.

Patented Dynamic Balance®

The perfect material performance, eliminating driver and tweeter “artifacts” for more realistic sound reproduction at high and low volume levels. To install, simply mount the bracket and click the speaker into place then aim it and tighten it down.

Speed Lock Mounting System

Simply mount the bracket and click the speaker into place, Aim it and tighten it down.

The Best Sound for Your Money

50 years, hundreds of thousands of speakers, and countless awards later, we are still focused on our mission of giving you the absolute best sound for your money. Great Sound for All.

Additional information



Speaker Type



Atrium 4 Black

Product Dimensions

7.5 x 6.3 x 9.5 inches

Item Weight

3.6 pounds