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 typeEmergency
Compatible withDXT 3000
General callYes
Selective callYes
PreamplifiedYes
LED indicatorsYes
Priority functionalityYes
Chime tone generatorYes
Microphone typeElectret
Microphone directivityCardioid
Microphone sensitivity-65 dB
Frequency response50 Hz ÷ 18 kHz
Output impedance470 ohm
Operating voltage24 V
Power source (1st console)Master unit
Daisy-chain capabilityYes (up to 4 units)
InterlockYes
ConnectorsRJ45
Cable typeJ-Type fire-rated
Included cableYes
Cable length5 meters
Safety certificationCE compliant, EN 54-16 certified
CPR number0068-CPR-007/2015
MaterialMetal
Height44 mm / 1.73 inches
Width203 mm / 7.99 inches
Depth128 mm / 5.04 inches
Weight1.2 kg / 2.65 lbs
Package height154 mm / 6.06 inches
Package width434 mm / 17.09 inches
Package depth174 mm / 6.85 inches
Package weight1.12 kg / 2.47 lbs
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