Polk Audio Atrium 4 Outdoor Speakers: Powerful Bass, All-Weather Durability

The Polk Atrium 4 outdoor speaker is a compact, high-quality speaker designed to deliver exceptional sound in any outdoor setting. With an aluminum dome tweeter and polypropylene cone driver in each speaker, the Atrium 4 provides deep, accurate bass and smooth response. The patented Dynamic Balance and Klippel Optimization technologies ensure perfect material performance, eliminating any artifacts for more realistic sound reproduction at both high and low volume levels. The weatherproof cabinet and rustproof aluminum grille and bracket make it durable enough to withstand seasonal changes and provide years of outdoor listening enjoyment. With 80W power and a 4 1/2″ mineral-filled Dynamic Balance polymer cone, the Atrium 4 delivers surprisingly powerful bass and wider sound dispersion. The one-click speed-lock mounting bracket makes installation easy and allows for vertical or horizontal mounting. The speaker is also designed to withstand extreme temperatures and heavy rain, making it the perfect speaker for all seasons.