• All-weather certified and water-resistant to withstand the worst elements—salt-fog, UV, extreme temps or heavy rains, you name it
• PowerPort bass venting for deep bass you can feel from the ground up
• Engineered with Polk’s Dynamic Balance® technology

Sonic Performance Anywhere

Like all of our outdoor models, the Atrium5 is built to withstand the elements, which means you’ll be enjoying great performance for years to come. It’s time to get that indoor sound you love—all from an outdoor loudspeaker you can put anywhere around your home.

Dynamic Balance Technology

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

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 minimizing turbulence and distortion.