The Bosch LB1-UM50E-D is a 50-watt premium cabinet loudspeaker designed for high-fidelity music and speech reproduction in both indoor and outdoor settings. It features a robust aluminum enclosure with ABS top and bottom covers, ensuring durability and weather resistance. The speaker comes equipped with two 5-inch low-frequency drivers and a 1-inch dome tweeter, delivering clear and powerful audio across a frequency range of 90 Hz to 20 kHz. It includes an adjustable wall-mounting bracket for flexible installation and is compliant with EN 54-24 standards for voice alarm systems.
Power Handling:
Rated Power (PHC): 50 W
Power Tapping Options: 50 W / 25 W / 12.5 W / 6.25 W
Acoustic Performance:
Sound Pressure Level (1 kHz, 1 m): 108 dB at rated power; 91 dB at 1 W
Effective Frequency Range (-10 dB): 90 Hz to 20 kHz
Dispersion Angle (1 kHz):
Horizontal: 186°
Vertical: 84°
Electrical Characteristics:
Rated Input Voltage: 20 V
Rated Impedance:
8 Ohm: 50 W
100 Ohm: 70 V line
200 Ohm: 100 V line
Weight
5.58 kg
Dimensions
18 × 16 × 40.5 cm
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