Specification Brand : EKAT BulletPoint1 : The fiber optic decoder fits for Mercedes Benz ML(2005-2011) /GL(2005-2011) /R(2005-2011) /S(2000-2005) /E(2009-2012) /CLS(2009-2012) /SLK(2009-2012). Fit for some Boxster(2005-2012) /Cayman(2004-2012). Also suitable for some models: For Mercedes, BMW, Porsche, Touareg, etc. BulletPoint2 : If your car has a Harman, Kardon or BOSE amplifier system, an additional optical fiber box is required. Decode your BOSE or Harman or Kardon with the fiber optic box. It will keep your original amplifier system, like Harman, Kardon, BOSE audio system working. BulletPoint3 : All cables only need to be connected at the front. Easy to install, plug and play. BulletPoint4 : If you have any questions before you buy, you can send us your car model/year/center console picture/amplifier brand through the Amazon chat. Color : Black CompatibleDevices : Amplifier ConnectorGender : Male-to-Female ConnectorType : Optical GpsrSafetyAttestation : 1 IndoorOutdoorUsage1 : outdoor IndoorOutdoorUsage2 : indoor ItemName : EKAT Fiber Optic Decoder for Mercedes Benz ML/GL/R/S/CLS/SLK/Cayenne/Touareg ItemPackageDimensions_Height : 15.875 centimeters ItemPackageDimensions_Length : 2.8702 centimeters ItemPackageDimensions_Width : 11.43 centimeters ItemShape : Round ItemTypeKeyword : vehicle-amplifier-installation Manufacturer : EKAT MaximumVoltage : 12 volts_of_direct_current ModelNumber : EKAT NumberOfPins : 2 PartNumber : EKAT ProductDescription : Fiber Optic Decoder for Mercedes Benz ML/GL/R/S/CLS/SLK/Cayenne/Touareg ProductSiteLaunchDate : 2023-02-22T08:01:53.573Z UnspscCode : 26121600