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-APAS is an industrial PC that serves PRA-APAL operator devices: zone pictures, music from memory or the internet, scheduled and recorded calls and text-to-speech, on separate secure and corporate networks. 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-AD604 is a 600 W, 4-channel power amplifier designed for the PRAESENSA IP-based Public Address and Voice Alarm System. It features flexible power distribution across four channels, an integrated spare amplifier channel for fail-safe redundancy, individual digital signal processing, and OMNEO IP networking for reliable audio communication and system control.

The Bosch PRA-AD608 is a 600 W PRAESENSA amplifier with eight Class D channels, power shared freely between them, A/B outputs and DSP per channel, and a built-in spare channel for fail-safe redundancy. Scroll down for details.

The Bosch PRA-AR616 combines a single 600 W channel with a relay router for up to 16 zones or 8 A/B outputs, with a spare channel and loudspeaker line supervision by end-of-line device or impedance. Scroll down for details.

The Bosch PRA-CSLD is the PRAESENSA desktop call station: gooseneck microphone, a 4.3" colour touch screen that guides every call, dual OMNEO ports with redundant PoE, and up to 4 PRA-CSE extensions. Scroll down for details.

The Bosch PRA-CSLW is the PRAESENSA wall mount call station: hand-held microphone, a 4.3" colour touch screen that guides every call, dual OMNEO ports with redundant PoE, and up to 4 PRA-CSE extensions. Scroll down for details.

The Bosch PRA-CSE adds 12 configurable buttons with light ring and zone status indicators to a PRA-CSLD or PRA-CSLW call station, up to 4 extensions per station. 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.