The Bosch PRA-SCL is the PRAESENSA system controller: it manages every device and all audio routing over OMNEO IP, stores supervised messages, and carries a built-in 5-port Gigabit switch. EN 54-16 certified. Scroll down for details.

The Bosch PRA-APAL licenses one operator device (PC or tablet) on the PRA-APAS server: music and volume control, scheduled and recorded calls, text-to-speech and user profiles in a web browser. Scroll down for details.

The Bosch PRA-MPS3 powers up to three PRAESENSA amplifiers from three independent 48 V supplies plus a 24 V output, charges one 12 V backup battery, and carries a 6-port OMNEO switch with fibre and PoE. Scroll down for details.

The Bosch PRA-PSM48 is a 48 V power supply module with universal mains input and power factor correction, approved to power one PRAESENSA 600 W amplifier where no battery backup is needed. Scroll down for details.

The Bosch PRA-ES8P2S is a managed 10-port Gigabit switch for PRAESENSA networks: PoE on 8 ports for call stations and two SFP combo ports for fibre links between racks. Scroll down for details.

The Bosch PRA-EOL supervises each PRAESENSA loudspeaker line to its end without extra wiring, as EN 54-16 line integrity monitoring requires. Scroll down for details.