Music Source Inputs; Connecting Outputs; Connecting Loudspeakers - Bosch PLENA Series Operation Manual

PLENA Mixer amplifier, 4-zone, 240W
Caution!
A connection to a telephone network must always be made via a telephone coupler that
provides adequate isolation between the telephone network (PBX) and the PLENA system.
!
The telephone coupler must also meet all relevant requirements for this type of
communication equipment as imposed by law and/or responsible telecommunication
organizations in the country of use. Never try to make a direct connection between the
telephone network and the mixer amplifier.
5.1.4

Music source inputs

When using a CD player, tuner or other auxiliary device for background music, connect the
line-out connectors of the music source to the appropriate line-in connectors of the mixer
amplifier. The unit has three music source inputs:
–
–
5.2

Connecting outputs

5.2.1

Connecting loudspeakers

The mixer amplifier can drive 100 V constant voltage loudspeakers.
Connect loudspeakers to the 100 V terminal on the Euro style pluggable screw terminal
connector (11) of zones 1, 2, 3 and/or 4 at the rear of the unit.
Connect the loudspeakers in parallel and check the loudspeaker polarity for in-phase
connection. The summed loudspeaker power should not exceed the rated amplifier output
power.
Figure 5.1: Connecting loudspeakers
Bosch Security Systems B.V.
two stereo Cinch inputs (Aux 1 and Aux 2) on the rear panel for music from an installed
device like a CD/DVD player or radio
one 3.5mm stereo mini-jack input (Aux 3) on the front panel for music from mobile
devices like a mobile phone or laptop.
D
Operation manual
Connections | en 13
2019-03 | V1.1 |