Outdoor Speakers with 5.25" Drivers

Big, High Quality Sound. A workhorse when it comes to filling large spaces with the kind of big, lifelike high-quality sound for all your outdoor entertainment. Built to withstand the elements, which means you’ll be enjoying great performance for years to come.

• All-Weather certified
• 5.25" Dynamic Balance® polypropylene woofers
• 1" Anodized Aluminum Dome tweeters
• Speed-Lock Mounting system

PowerPort® Bass Venting

You’ll experience space-filling sound in any outdoor area, porch, sunroom, or deck. Polk’s patented water-resistant PowerPort® efficiently adds 3dB of big, realistic, musical bass output. And when combined with its anodized aluminum tweeter domes, this speaker not only delivers powerful, high-quality sound output, but excellent midrange clarity.

Patented Dynamic Balance®

Whether you’re lounging in your favorite chair, hosting a BBQ, or spending time with the family outdoors, you won’t miss a single word of your favorite tunes. The Atrium Series outdoor speakers deliver crisp, powerful vocals—without distortion. Their Patented Dynamic Balance® and Klippel Optimization Technologies ensure optimal material performance, eliminating driver and tweeter “artifacts” for more realistic sound reproduction at high and low volume levels.

Polk All-Weather Certified

Made to withstand the elements, these speakers are built to last and produce rich, lifelike, space-filling sound—no matter the weather. Atrium Series speakers exceed baseline industrial and military specifications for environmental endurance (ASTM D5894-UV Salt Fog, Mil Standard 810 Immersion, Mil-Std 883 Method 1009.8 for salt and corrosion).

Speed-Lock™ Mounting System

Sprucing up the patio or backyard is a cinch with easy, secure one-handed installations even in difficult locations. The Speed-Lock Mounting System ensures easy, safe one-handed installations and no-slip setting of the speaker angle. This greatly simplified mounting procedure means fewer parts and a quicker setup.

The Atrium speaker family

For the ultimate outdoor sound system, combine multiple Atrium models to create a fully immersive listening experience with balanced coverage across large spaces. Whether you're hosting a backyard gathering or enjoying a quiet evening outside, the Atrium series offers the performance and flexibility to elevate every moment.