Bosch Plena LBB 1956/00 Six-Zone Voice Alarm Call Station Paging Microphone

£305.00 ex VAT.


The Bosch Plena LBB 1956/00 is a stylishly constructed Six-Zone Call Station Paging Microphone, with a stable metal base design, flexible microphone stem and unidirectional Condenser Microphone.

The LBB1956/00 is more than capable of making calls to selected zones (one to six and all-call) in a Public Address System built with the Plena Voice Alarm System. This product also features a particularly sleek design, which enables the unit to be neatly flush-mounted to any given surface.

Product Features:

  • Allows connection of expansion keypad LBB1957
  • Six zone selection keys, all-call key and momentary PTT-key for calls
  • Selectable gain, speech filter, limiter, and output level for improved intelligibility


LBB 1956/00

Frequency Response

100 Hz – 16 kHz

Voltage Range

24V DC (Supplied by LBB 1990/00)

Output Impedance

200 Ohms

Current Consumption

<30 mA
  • <15 mA per Keypad

Nominal Sensitivity

85 dB SPL
Gain Preset: 0 dB

Compression Ratio Limiter


Output Level

700 mV


<0.6% @ Max Input

Relative Humidity


Operating Temperature

-10 ºC to +55 ºC


40 mm H x 100 mm W x 235 mm D


Approx: 1 kg

Data Sheets

Data Sheet

Additional information




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