This document is about the installation and user instructions for Bosch Security Systems' PLE-2MA120-EU and PLE-2MA240-EU Plena Mixer Amplifiers. The document provides important safety instructions, table of contents, product description, installation instructions, connections and settings, and more.
The Installation and User Instructions provide guidance for installing, configuring, and operating the Plena Mixer Amplifier (model PLE-2MA120-EU). It includes safety safeguards, unpacking, rack mounting, wiring, and detailed descriptions of controls, inputs, and outputs.
The manual also lists technical specifications such as power supplies, input/output counts, backup battery features, and performance data, and explains the use of tone controls, priority inputs, and emergency functions for public‑address applications.
| Backup input voltage | 24 VDC |
|---|---|
| Battery charger constant current | 0.5 A |
| Battery float voltage | 27.4 VDC |
| Mic/line inputs | 6 |
| Music inputs | 3 |
| RJ‑45 inputs | 2 |
| Loudspeaker output impedance | 8 Ω |
The Safety Instructions (document 9922 141 1036x) should be read before installation.
It provides six microphone/line inputs.
The unit has a 24 VDC backup input.