- Live emergency announcements
- Pre-recorded messages activation
- Complete self-diagnostic
- Powered by master unit
- Hi-quality cardioid microphone
- Robust metal case
BM 3804 is a desk-top emergency microphone console exclusively dedicated to DXT 3000 Voice Alarm system, and can be used both for live announcements and pre-recorded messages activation. It features complete self-diagnostic functionalities and system status reporting in compliance with EN 54-16:2008 standard. Up to four consoles can be daisy-chained on the line, the first of those has emergency functions and it is powered directly by the master unit, while the others need local 24 V DC adapters.