Perfect for indoors or out, the Polk Audio Atrium 4 all-weather loudspeaker system lets you bring your audio all around your home. And with advanced acoustics, it's got the power to fill a large area with hi-fi sound.
A 19mm soft dome tweeter and 4.5" dynamic balance composite driver are acoustically designed to bring a great spectrum of sound to a wide area
An all-weather design makes it ideal for almost any environment
Meets military specifications as well as ASTM UV, salt, and UV specs
Speed Lock mounting bracket allows the speaker to be mounted in various positions vertically or horizontally
75Hz - 25 kHz frequency response
80 Watt RMS power handling
Gold plated 5 way binding posts