Bosch PLENA Series User Manual

PLENA Mixer amplifier, 4‑zone, 240W
PLE‑4MA240‑CN
en
Operation manual

Bosch PLENA Series Specifications

General

Brand	Bosch
Model	PLENA Series
Category	Amplifier
Language	English

Summary

Safety

Safety precautions

Precautions for safe operation and installation of the PLENA Mixer amplifier.

Caution!

Warning for qualified service personnel regarding electrical shock risks and proper servicing.

Introduction

Controls, connectors and indicators

Front panel

Details the controls, connectors, and indicators located on the front panel of the mixer amplifier.

Rear panel

Details the controls, connectors, and indicators located on the rear panel of the mixer amplifier.

Installation

Connections

Connecting inputs

Details on how to connect various input sources like microphones and music sources.

Priority microphone (input 1)

How to connect and use the priority microphone input (input 1) with PTT functionality.

Additional microphones (inputs 2 and 3)

Emergency inputs

How to connect telephone/100V emergency inputs and their absolute priority.

Music source inputs

Connecting outputs

Details on how to connect output devices, specifically loudspeakers, to the amplifier.

Connecting loudspeakers

Instructions for connecting 100V loudspeakers to the amplifier outputs for different zones.

Configuration

Unit settings

Rear panel settings

Operation

Switching on and off

Procedure for powering the unit on and off using the front panel power button.

Microphone control

How to control the sound level for microphone/line inputs 1, 2, and 3.

Music control

How to manage music sources, including selection and volume adjustment.

Tone control

Output control

How to manage output settings, including zone selection.

Master volume control

How to collectively control the sound level of all outputs, excluding emergency signals.

Troubleshooting

Customer service

Maintenance