Dedicated speaker 
•  Voice signal from the audio-out of the  handsfree to speaker 
(cable permanently attached to speaker)
• Mute signal from power cable to car sound system
Cables/Adapters needed:
•  Connector to transmit mute signal to car sound system may 
be required (e.g. mini-ISO, Fakra)
Connection options
Please note: car accessories must be installed or repaired by qualified professionals only. 
Carefully read the User Guide and Installation Guide for each system to be installed.
16 17
•  Voice signal from the audio-out of the handsfree to phone-in port 
of the car sound system
•    Mute signal from power cable to car sound system
Cables/Adapters needed:
•  Adapter cable from the audio-out of the hands-free unit to the phone-in of 
the car sound system (e.g. simply cut the cable of the speaker included in 
the sales package)
Car sound system phone-in 
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