Suitable for speech and music reproductionRobust metal enclosureSurface and/or recessed mountingProvision for internal mounting of the optional line/loudspeaker supervision boardsRecommended for voice evacuation systemsCompliant with international installation and safety regulationsEN 54‑24 certifiedBS 5839‑8 and EN 60849 compliantKey SpecificationsColor:White; Customized colorsCoverage angle HxV (°):180 x 56Frequency range (-10 dB) (Hz):160 – 20000 HzIP rating:IP32Material:SteelOperating temperature (°C):-25 – 55Rated input voltage (V):70 V; 100 VSensitivity (1 W, 1 m, 1 kHz octave) (dB):86 dBStorage temperature (°C):-40 – 70Weight (kg):1.23 SKU: BOS.LB1-UM06E-1 Color: White Amperage Rating: 15 A Voltage Rating: 70/100 V Degree of IP: IP32 Storage Temperature: -40 °C ... 70 °C Operating temperature: -25°C To +55°C Dimensions: 450x87mm Material: Steel Brand: BOSCH Supplier Part Number: LB1-UM06E-1