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Bosch Wall Mount Speaker 50 Watts LB1-UM50E

Bosch Wall Mount Speaker 50 Watts LB1-UM50E
Color White; Customized colors
Coverage angle HxV (-6 dB, 1 kHz) (°) 186 x 84 °
Coverage angle HxV (-6 dB, 4 kHz) (°) 126 x 62 °
Dimensions (H x W x D) (mm) 405 x 160 x 180 mm
Frequency range (-10 dB) (Hz) 90 – 20000 Hz
Material Aluminum
Operating temperature (°C) -25 – 55 °C
Rated input voltage (V) 70 V; 100 V
Sensitivity (1 W, 1 m, 1 kHz octave) (dB) 91 dB
Storage temperature (°C) -40 – 70 °C
Weight (kg) 5.58 kg

Parts Included

1 LB1‑UM50E‑L Cabinet loudspeaker
1 Mounting bracket
1 Installation instruction
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Bosch Wall Mount Speaker 50 Watts LB1-UM50E


  • High-fidelity music and speech reproduction
  • Supplied with adjustable wall‑mounting bracket
  • Self‑restoring overload protection
  • Provision for inside mounting of the optional line/loudspeaker supervision board
  • EN 54‑24 certified

he Bosch LB1-UM50E-D & LB1-UM50E-L EN54-24 cabinet loudspeaker is rated at 50 watts and is suitable for clear reproduction of speech, foreground and background music.

Integral safety features ensure that the LB1UM50E is compliant with EN54-24, for use in emergency voice evacuation systems.

The input is selectable between 70V, 100 volt line and 8 ohm.

A sturdy wall mounting bracket is supplied.

Available in charcoal: LB1-UM50E-D or white: LB1-UM50E-L.

Bosch Wall Mount Speaker 50 Watts LB1-UM50E (Data Sheet)



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