More from Amazon.com : http://www.amazon.com/gp/product/B00378KMFU?tag=thefatkidin06-20 <br /> <br />Polk Audio Atrium 5 Speakers (Pair Black) <br /> <br />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 10098 for salt and corrosion <br />Anodized Aluminum Tweeter Domes with Rubber Surrounds are absolutely immune to the elements provide the smooth broad high-end range you need for larger outdoor spaces <br />Newly designed tweeter phase cap smoothes the frequency response from 12KHz up to 20kHz the last audible octave <br />Broad Coverage Baffle Design adapted and applied from our current Atrium design but a more steeply-angled baffle design that maximizes critical mid- and high-frequency dispersion over a large area <br />Speed-Lock Mounting System for easy safe one-handed installations even in difficult locations The greatly simplified mounting procedure means fewer parts to juggle
