Infotainment�2018
6.�Audio�Systems
49
6.2.1.�Function
The�following�graphic�shows�the�system�network�with�maximum�equipment�of�the�Receiver�Audio
Module:
System�network�for�Receiver�Audio�Module
Index
Explanation
1
AM/FM�aerials
2
SDARS�aerial
3
Microphone�on�driver's�side�(The�microphone�on�the�driver's�side�is�connected
to�the�TCB2.�From�there�the�signal�is�transmitted�to�the�RAM.)
4
Telematic�Communication�Box�2�(TCB2)�(country-�and�equipment-dependent)
5
Microphone�on�passenger's�side�(country-�or�equipment-dependent)
6
Receiver�Audio�Module�(RAM)
7
Audio�loudspeakers
8
Booster
9
Audio�loudspeakers�(bass�speakers)�connected�at�the�Booster�(only�with
Harman�Kardon�surround�sound�system),�speaker�for�the�outside�sound
(engine-dependent)
10
Head�unit
11
Central�Information�Display�(CID)�connected�via�APIX
Depending�on�the�engine,�the�Receiver�Audio�Module�(RAM)�replaces�the�Active�Sound�Design
control�unit�in�the�vehicles.�The�designed�engine�sound�is�then�simulated�by�the�RAM.
