POLK | All Weather Outdoor Loudspeakers With 4.5" Drivers And 3/4" Tweeters Black Pair | Atrium 4Made in Japan. 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