Atlas Sound SM82T-WH 8-Inch 2-Way Weather Resistant Speaker System with 70.7V/100V-60W Transformer and 8 ohm Bypass Weather resistant construction for year-round indoor or outdoor use UV-resistant, talc impregnated, polypropylene injection molded enclosure Powder coated aluminum grill Conforms to stringent 100HR salt spray test per the ASTM B117 standard