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en | PRAESENSA product overview
PRAESENSA
2021.12.21 | V0.15b | F.01U.402.882
Underwriters Laboratories Listing Document (ULLD)
Bosch Security Systems B.V.
2
PRAESENSA product overview
The following table gives an overview of the available PRAESENSA products.
Order
number
Product view
Product name
Main function
PRA-SCL
PRA-SCM
PRA-SCS
System controller, large
System controller,
medium
System controller, small
Full control of PRAESENSA
devices and audio routing.
Built‑in supervised storage
for messages and tone
files.
Open interface to third
party general signaling and
BGM applications.
PRA-AD604
Amplifier, 600W 4-
channel
Power partitioning across
four channels.
Supplying output power to
loudspeakers channels.
PRA-AD608
Amplifier, 600W 8-
channel
Power partitioning across
eight channels.
Supplying output power to
loudspeakers channels.
PRA‑EOL‑US
End-of-line device
Loudspeaker end‑of‑line
supervision.
Fault detection in
amplifier.
PRA-MPS3
Multifunction power
supply, large
Powering of system
controller and amplifiers.
Backup lifeline for
connected amplifiers.
General purpose control
inputs and outputs.
12 V battery backup.
PRA-CSLD
Desktop LCD call station
Producing live, and/or
recorded messages,
announcements/calls.
Used in combination with
at least one PRA-CSE for
loudspeaker zone and
actions selection.