CREATED TO LIVE AND PLAY OUTDOORS, your Atrium Speakers can be installed in any open space—by a pool, in the patio or a sunroom, or tucked away somewhere in the backyard. They will deliver exceptionally great sound. WIDER SOUND DISPERSION & SURPRISINGLY POWERFUL BASS driven by a 4 1/2" mineral filled Dynamic Balance polymer cone and a 3/4" anodized aluminum dome tweeter with rubber surround. 80W power cuts through loud, jarring background noises. Recognized as ONE OF THE BEST-LOOKING OUTDOOR SPEAKERS, Polk Atrium 4 speakers come with a steeply-angled baffle design filling open spaces with big full-range sound! The outer profile easily blends into the corners of the outdoor walls. ONE-CLICK SPEED-LOCK MOUNTING BRACKET offers EASY, ANTI-SLIP ONE-HANDED INSTALLATION allowing you to mount these speakers vertically or horizontally, to deliver the best possible sound in a variety of situations. Simply mount the swiveling C-bracket THE SPEAKER FOR ALL SEASONS – it’s rugged durability, high environmental endurance and superior quality has helped Polk Outdoor Speakers earn the all-weather Certification. Effortlessly withstands extreme temperatures and heavy rain year after year.