Designed especially for outdoor use, the Boston Acoustics Voyager 50 Two-Way 5-1/4-Inch Outdoor Speakers bring exceptional sound to open-air environments. This set of two speakers has been engineered with Boston's best audio technologies to ensure stunning audio reproduction across a wide range of frequencies. Kortec soft-dome tweeters offers crisp, high frequencies, while graphite-injected woofers deliver powerful bass response. And with their waterproof polypropylene cabinets, the speakers can withstand even the harshest weather and temperature extremes.