Bosch PRA-MPS3 Multifunction power supply, large, Fully supervised DC‑power supply with integrated fail-safe redundancy, Unique single 12 V battery backup solution, Integrated 6‑port Ethernet switch on RJ45 and SFP, General purpose control inputs and outputs, Backup lifeline for connected amplifiers, Overheat; Overload; Watchdog; RSTP; Lifeline; Backup battery, TCP/IP; OMNEO; AES70, 5x RJ45 (2 with PoE) + 1x SFP, 108 – 264 VAC.

Bosch PRA-SCL System controller, large, Full control of PRAESENSA devices and audio routing, Built‑in supervised storage for messages and tone files, Support for Dante audio input and output streams, Open interface to third party applications, IP‑networked on OMNEO for audio and control, Network‑connected, DC‑powered, system controller and message manager for Public Address and Voice Alarm applications, Tone/message playback (dynamic) OMNEO channels: 8, Audio inputs (static) Dante or AES67 channels: 120, Audio outputs (static) Dante channels: 8, IP30.

Bosch PRA-EOL End-of-line device, Device for loudspeaker line integrity supervision in Public Address and Voice Alarm applications, Reliable solution for (long) loudspeaker lines, Fault detection in amplifier without additional wiring, Low level, high frequency pilot tone, IP30.

Bosch PRA-PSM48 Supply Module 48V, Universal mains input voltage, Power factor correction, Protection with automatic recovery, Approved to power a PRAESENSA 600W amplifier, Compact and DIN‑rail mountable, Mains power supply input: 100 to 240 VAC, Output voltage range: 48 to 56V, MTBF > 500.000 h, IP20.

Bosch PRA-ES8P2S Managed 10‑port Ethernet switch with PoE and SFP, 8 x Gigabit ports with PoE, 2 x Gigabit combo ports with SFP sockets for glass fiber transceivers, Network redundancy via STP/MSTP/RSTP, Dual power supply connections, Fault relay, Operating voltage (VDC): 16.80 VDC – 62.40 VDC, Power consumption (W): 140 W maximum, PoE/PoE + power budget: 120 W maximum, PoE/PoE + power per port: 20 W maximum, PoE/PoE + standard: IEEE 802.3 af/at, Switch type: Managed, MAC table size: 8K, Watchdog; RSTP; Rate limiting; Storm control, IEEE 802.1Q VLAN, IGMP snooping v1/v2/v3, MLD snooping, IGMP immediate leave, QoS, IP30.

Bosch PRA-APAL Advanced public address license. Advanced functionality for high‑quality announcements, messages, text‑to‑speech, internet radio, music management and scheduled events, Support of personal devices such as third party, PCs and wireless tablets, Possibility to configure user group profiles for different access levels, Each connected user device requires one software license.