The LBB4440-00 from Bosch is a Supervision Control Board. The board controls the communication between the Praesideo system and the loudspeaker or loudspeaker line supervision boards. The LBB 4440/00 is the supervision control board, monitoring multiple supervision-slave boards (LBB 4441/00 and LBB 4443/00), which are mounted inside the loudspeakers on the line. With these boards working together, it is possible to supervise 16, 64, or up to 80 loudspeakers or loudspeaker lines on a 500- watt amplifier.
Features
- Multiple speaker and line monitoring without additional cabling
- Mounted inside the power amplifier
- Controls up to 80 speaker and line supervision boards
- Open-circuit fault detection
- Compatible with 100 V and 70 V loudspeaker lines
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