FeaturesHigh efficiency driversWide opening angleExcellent speech reproductionSimple power settingWater- and dust protected to IP65Versatile mounting bracketComplies with international installation and safety regulationsKey SpecificationsColor: GrayDimensions (H x W x D): 400 x 400 x 353 mmIP Rating: IP65Material: Aluminum; Plastic (ABS)Rated Input Voltage: 100 VSensitivity (1 W, 1 m, 1 kHz octave): 111 dB SKU: BOS.LBC3493/12 Color: Grey Amperage Rating: 15 A Voltage Rating: 100 V Degree of IP: IP65 Operating Relative Humidity: < 95% Storage Temperature: -40 °C ... 70 °C Operating temperature: -25°C To +55°C Dimensions: 400x400x353mm Material: Aluminum/Plastic Brand: BOSCH Supplier Part Number: LBC3493/12