Bosch LBB4428/00-CN Power Amplifier 8X60W F.01U.077.048

secondary PCBs for monitoring a single speaker line. The main PCBs are installed in the Praesideo networked power amplifiers (one per channel); the secondary PCBs are connected at the end of the speaker lines. Business type: LBB4442/00 Product number: F.01U.074.440 LBB4443/00 End of Line Monitoring Board The secondary line monitoring PCB is intended to be connected to the end of a loudspeaker line or cable junction and works with the LBB4440/00 to monitor the integrity of the line. Business type: LBB4443/00 Product number: F.01U.513.884 LBB4440/00-CN Monitoring Control Board Main line and speaker monitoring PCB, suitable for installation in Praesideo networked power amplifiers, one board per channel required, Chinese version. Commercial Type: LBB4440/00-CN Product number: F.01U.097.258