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BDM400 Paging Microphones

BDM400 Intelligent Paging Microphones

BDM400 microphones for public address and voice alarm systems

The BDM400 range of intelligent paging microphones is designed to provide a wide variety of features to suit any installation.

There are six microphones available in the range, one-zone to 32-zone.


  • A standard RJ45 (CAT5 network) cable is used to carry both audio and serial data.
  • Microphones can be linked together (via wall sockets – product code BMS8) and connected to a single input at the control rack.
  • The BDM401 can also be operated as a parallel microphone. This option is selected internally by jumpers. (Factory setting is for serial operation.)
  • Option to fit flip-top switches to enable DVA (digital voice announcement) messages to be broadcast.

Products in the range:

  • BDM401
  • BDM404
  • BDM408
  • BDM416
  • BDM424
  • BDM432

For full product specification please refer to the sales leaflet:

Like to discuss a project?

Call us on +44 (0) 1892 664422

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