About POLK ATRIUM 4 Home Theater

• Atrium series speakers exceed baseline industrial and military specifications for environmental endurance
• Anodized aluminum tweeter domes with rubber surrounds are absolutely immune to the elements, offer better power handling and smooth response
• Tweeter phase cap smooths the frequency response from 12kHz up to 20kHz, the last audible octave
• Broad coverage baffle design fills a large open outdoor space with big, full-range sound
• Speed-lock mounting system for easy, safe one-handed installations even in difficult locations
• 5 years parts and labor
• A more steeply-angled baffle maximizes critical mid- and high-frequency dispersion over a large area with out sacrificing detail