Includes 4 BLACK Polk Audio Atrium 6 Outdoor Speakers. 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 and SURPRISINGLY POWERFUL BASS Features a 5 inch mineral filled Dynamic Balance driver, a .75 inch tweeter, neodymium motor structure and PowerPort bass venting gives deeper bass and CUTS THROUGH LOUD, JARRING BACKGROUND NOISES. ONE OF THE BEST LOOKING OUTDOOR SPEAKERS The outer profile EASILY BLENDS INTO THE CORNERS OF EXTERIOR WALLS, giving a minimalistic look and a steeply angled baffle design fills open spaces with big full range sound that is sure to leave you baffled. Atriums one click SPEED LOCK MOUNTING BRACKET offers EASY, ANTI SLIP ONE HANDED INSTALLATION allows you to mount these speakers vertically or horizontally. Simply mount the swiveling C bracket, adjust the angle and fasten the speaker with a click. THE SPEAKER FOR ALL SEASONS its rugged durability, high environmental endurance and superior quality has helped Polk Outdoor Speakers win the all weather certification. They EFFORTLESSLY WITHSTAND EXTREME TEMPERATURES AND HEAVY RAIN year after year.