Description

The BM 3804 is a professional-grade desk-top emergency microphone console specifically built for integration with the DXT 3000 Voice Alarm system. It enables both live emergency voice announcements and the activation of pre-recorded messages, ensuring flexibility in emergency communication scenarios. Featuring a high-quality cardioid electret microphone, the unit provides clear and intelligible voice transmission. Designed to comply fully with the EN 54-16:2008 standard, the BM 3804 includes a complete self-diagnostic function and system status indicators to enhance reliability and safety. Up to four consoles can be daisy-chained together using J-Type fire-rated cabling. The first console receives power directly from the master unit, while additional units require a local 24 V DC power source. With robust metal housing, intuitive LED indicators, and integrated chime tone functionality, the BM 3804 is ideal for critical paging applications in safety-sensitive environments.

 

Features

 

  • Live emergency announcements

  • Activation of pre-recorded messages

  • Complete self-diagnostic functionality

  • Powered directly by the master unit (first in chain)

  • High-quality cardioid electret microphone

  • Robust metal case for durability

  • Daisy-chain support for up to 4 consoles

  • Chime tone generator

  • EN 54-16 certified

 

Specifications

 

Console type Emergency
Compatible with DXT 3000
General call Yes
Selective call Yes
Preamplified Yes
LED indicators Yes
Priority functionality Yes
Chime tone generator Yes
Microphone type Electret
Microphone directivity Cardioid
Microphone sensitivity -65 dB
Frequency response 50 Hz ÷ 18 kHz
Output impedance 470 ohm
Operating voltage 24 V
Power source (1st console) Master unit
Daisy-chain capability Yes (up to 4 units)
Interlock Yes
Connectors RJ45
Cable type J-Type fire-rated
Included cable Yes
Cable length 5 meters
Safety certification CE compliant, EN 54-16 certified
CPR number 0068-CPR-007/2015
Material Metal
Height 44 mm / 1.73 inches
Width 203 mm / 7.99 inches
Depth 128 mm / 5.04 inches
Weight 1.2 kg / 2.65 lbs
Package height 154 mm / 6.06 inches
Package width 434 mm / 17.09 inches
Package depth 174 mm / 6.85 inches
Package weight 1.12 kg / 2.47 lbs
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