The AT62-4 engineered landscape speakers features a coaxially mounted 1" aluminum dome tweeter design over a proprietary high-excursion 6.5" woofer. Our All-Terrain speakers come with a built-in high element crossover network to ensure a smooth frequency response of 70-20kHz. The woofer features an aluminum cone and Santoprene™ surround to withstand harsh outdoor environments. The AT62-4 is constructed of aircraft aluminum and includes an aluminum perforated grille to provide years of trouble-free use.