polk audio atrium 5 black outdoor loudspeakers with 5 drivers am5085Bring big indoor sound to your backyard with these Atrium 5 outdoor loudspeakers from Polk Audio. With Power Port Technology, they smoothly transition air flow from the speaker into your listening space to produce deep, extended bass and minimize turbulence and distortion for a breathtaking listening experience. Featuring a compact design, they will fit into a variety of places both in your home and outdoors, so you can always have the perfect