The Polk Audio Atrium 6 speakers exceed baseline and industrial specifications with their high level of performance. Featuring a weather-resistant, stainless steel and brass enclosure for added protection against the elements, these Polk Audio stereo speakers easily can be placed indoors or out. The anodized aluminum tweeter domes on the Polk Audio Atrium 6 weatherproof speakers are equipped with rubber surrounds and are not only weatherproof — they are designed to deliver quality audio over large spaces, outdoors or indoors. The broad-coverage baffle design has been adapted for these Polk Audio stereo speakers to maximize critical mid- and high-frequency dispersion over a substantial area. The improved design in the tweeter phase cap provides smoother frequency response from 12 kHz up to 20 kHz. The Polk Audio stereo speakers offer flexibility, reliability, and high-fidelity sound as well as high-powered base that listeners can feel. Designed to withstand extreme temperature ranges, wind, and even heavy rain, these weatherproof speakers are an excellent choice for consumers who want durability and quality.