Polk Audio Atrium 8 All Weather Outdoor Loudspeaker Open Box (Each)

The flagship of the line, the Atrium 8 SDI has a unique, patented* single/dual input switch that combined with its ingenious dual tweeter array enables you to use the Atrium8SDI as either a single high performance stereo loudspeaker, or the left-or-right speaker in a high performance stereo pair. And you can use it practically anywhere, because the Atrium8SDI also has special military spec waterproofing features, including our patented water-resistant PowerPort bass venting. Atrium8SDI Features: 6 1/2-inch (16.51cm) long-throw aerated polypropylene cone driver with butyl rubber surround pumps out surprising bass response from a compact design. Two 1-inch (24.5mm) anodized aluminum dome tweeters with rubber surrounds and neodymium magnets offer better power handling, smoother response and greater accuracy. Dual tweeter array with stereo tweeter aiming creates excellent imaging, whether used as a single stereo speaker, or as half of a stereo pair. Patented water-resistant PowerPort bass