FEATURES: Fiberglass horn Weather-resistant Ul listed All metal driver Heavy duty steel mounting bracket DESCRIPTION: Used for high-efficiency reproduction of voice and electronic signals in an explosive or flammable environment. These explosion proof horns are UL Listed for use in Class 1, Division 1, Group C & D and Gas Atmospheres. The horn includes a fiberglass projector and mounting bracket. Common applications include grain mills, service stations and refineries. FREQUENCY RESPONSE 250 Hz to 12 kHz DISPERSION 120° Horizontal and 60° Vertical VOICE COIL IMPEDANCE 45 ohms MOUNTING Removable Steel Bracket HOUSING AND FINISH The horn is molded of rigid fiber glass. The driver is all metal construction with gray epoxy finish. ENVIRONMENT Temperature: -4 to +131 °F ( -20 to +55 °C) Humidity: 0-95% Non-Condensing DIMENSIONS AND WEIGHT 8.0” (20.32 cm) H x 14.6” (37.08 cm) W x 17.0” (43.18cm) D Weight: 19 lbs (8.63 kg.)