The One Systems 104.STH is a 4.5-inch two-way speaker designed for direct weather use for inland or for general-purpose indoor applications. The 104.STH features direct-radiating components that provide very high vocal intelligibility with wide range response for good music reproduction. The 104.STH’s enclosure is injection-molded of a high impact copolymer that exhibits superior weather resistance and high UV resistance. The included U-Bracket and its grille are made from structural steel covered in a dual-layer, zinc-rich powder coating that provides long useful life. The 104.STH has a three-layer "rain shield" grille and is equipped with an input weather cover with a waterproof gland nut. The system's ingress protection is rated at IP 56. The 104.STH utilizes stainless steel for all its rigging points for added safety and long life, plus it can be used with optional One Systems PM2.M pole mount or PT-10.M pan/tilt brackets. The 104.STH is installer configurable for 8 ohm or for 70.7/100 volt with taps at 50 watts, 25 watts or 12.5 watts. The 104.STH’s dual input configuration uses no switches that might limit the system’s reliability. For distributed or background audio applications that require superb sound for vocals and music, installation flexibility and full weatherproofing, the 104.STH delivers impressive performance, long useful life and solid value.