Connect in line on the speaker ISO cables and the interface converts the audio from high to low level to enable the BOSE amplifier to work.
Fitting instructions are included. The amplifier turn on wire is already connected to the the vehicle connectors, just a connection to the new stereo is required.
Car models: The years stated refer to the model's years of manufacture, please check the item description for information about any changes there may be within these productions years.
Alfa Romeo - 147 (2000 - 2010)
Alfa Romeo - 156 (1997 - 2005)
Alfa Romeo - 156 GTA (2002 - 2005)
Alfa Romeo - 159 (2006 > )
Alfa Romeo - Brera (2006 > )