The monitoring board controls the communication between

 Praesideo system and loudspeaker or loudspeaker line monitoring board. The LBB 4440 / 00 monitoring control board can monitor multiple auxiliary monitoring boards (LBB 4441 / 00 and LBB 4443 / 00) installed inside the loudspeaker on the line. Using these boards together, users can monitor 16, 64, or 80 (up to) speakers or speaker lines on a 500 W amplifier. Basic functions each amplifier channel in the PRS ￣ xpxxx power amplifier unit provides internal mechanical and electrical support for the LBB 4440 / 00 control board. The communication between the monitoring boards has little impact on the speaker line and no additional wiring is required. The audio signal on the line will not affect communication. Users can turn off and turn on the monitoring function through the configuration software. The system continuously monitors the presence of a monitoring board. The system can detect and report the loudspeaker fault within 300 seconds and the line fault within 100 seconds. Interconnection 20 pin connector and flat cable certificate and approval safety in accordance with IEC 60065 / en 60065, immunity in accordance with en 55103-2 / en 50130-4 / en 50121-4, heat dissipation in accordance with en 55103-1 / fcc-47, part 15b, emergency compliance with en 60849 / en 54-16 / ISO 7240-16, marine compliance with IEC 60945, regional certification, European CPR EU_ CPR CE declaration of conformity CE transport CE COC CE certalarm CE DOP GL Poland cnbop

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