The Atrium series is a flexible and reliable solution for outdoor sound installation. Place them where you want them to achieve the best sound performance. Polk's unique Dynamic Balance technology guarantees crystal clear sound with low levels of distortion.

Polk Atrium 4 speakers meet the most demanding waterproof standards, without compromising on sound performance.

- Mid/ Woofer: 1 x 4.5 \ "
- Tweeter: 1 x 0.75\ "
- Frequency Response: 75Hz-25 kHz
- Sensitivity: 89db
- Power: 10 - 80 Watt
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