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
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Live emergency announcements
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Activation of pre-recorded messages
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Complete self-diagnostic functionality
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Powered directly by the master unit (first in chain)
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High-quality cardioid electret microphone
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Robust metal case for durability
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Daisy-chain support for up to 4 consoles
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Chime tone generator
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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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