The Bosch PRA-PSM24 is a compact 24V DC power supply module designed for compatible PRAESENSA system controllers and PAVIRO controllers and routers. Featuring universal AC mains input, power factor correction, and automatic-recovery protection, its DIN-rail design provides reliable mains-powered operation for professional public address installations.

The Bosch PRA-ANS is the PRAESENSA ambient noise sensor: automatic volume control for announcements and music, sample-and-hold and tracking modes, IP65 for indoor and sheltered outdoor use, and up to 4 sensors per zone. Scroll down for details.

Audio interface module 2x2, PoE powered, Network/Power connection redundancy, 2 micrpohone/line level inputs, 2 balanced line level outputs, 2 supervised GPIs, 2 general purpose relay outputs, configurable analog/digital modes, allows Dante input integration

Bosch PRA-SFPSX Fiber transceiver, 1000BASE‑SX SFP module for multi-mode fiber (550 m)

The Bosch PRA-MPS3 is a multifunction power supply designed for PRAESENSA public address and voice alarm systems. It provides supervised DC power for up to three amplifiers and a system controller, with an integrated 12 V battery charger for backup operation.

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.

Bosch PRA-SFPLX Fiber transceiver, 1000BASE‑LX SFP module for single mode fiber (10 km).

The Bosch PRA-WCP-EU is the PRAESENSA wall control panel: local background music and volume control, a 1.77" colour display with single-knob operation, PoE powered, and white and black fronts included. Scroll down for details.

The Bosch PRA-IM16C8 is the PRAESENSA control interface module: 16 supervised control inputs, 8 voltage-free relay outputs, 2 supervised NAC trigger outputs for strobes and horns, and PoE power with dual network ports. Scroll down for details.

The Bosch PRA-PSM48 is a compact 48 VDC power supply module designed to power a compatible PRAESENSA 600 W amplifier. It features universal AC mains input, power factor correction and built-in protection with automatic recovery.

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.