When the specs call for quality sound, rely on Leviton's award-winning* Spec-Grade Sound indoor and outdoor speaker line for exceptional technical innovation and value. Spec-Grade Sound speakers deliver features and performance comparable to higher-end brands, at a price that's right for the entire range of the residential installation and construction business. All of Leviton Spec-Grade Sound indoor speakers incorporate exceptionally strong, light and rigid AeroNylon tweeters and Kevlar-composite woofers for exceptional clarity, detail and impact, along with built-in AutoSurge protection to help protect the speakers from possible damage due to over driving. The outdoor/utility speaker is constructed of weather resistant materials inside and out for years of use in challenging environments. *Electronic House Magazine "Product of the Year".