IPX5 waterproof rating makes this speaker suitable for challenging outdoor residential installations 40W with a peak power capability of 160W delivers clear, powerful sound in outdoor environments Tractrix Hyperfold Port, a patented port design, enhances bass power, reduces port noise, and provides a wider dispersion pattern to cover larger areas 3/4-inch titanium high frequency driver and 4-inch injection moulded polypropylene woofer offer superior performance and durability Dual five-way binding posts provide multiple connection options Includes set screws on every grille for a tight fit between the speaker and grille Required accessories (sold separately) Weather-resistant speaker wire (make sure to measure the room so you'll know how much wire to get)