PAC AAI-MAZ Mazda Factory Auxiliary Audio Input Adapter Plug-and-play installation maintains factory wiring integrity Direct audio input to factory radio for maximum sound quality Two separate inputs for use a multitude of auxiliary audio sources Inputs selectable from the factory radio Provides 2 auxiliary audio inputs Adjustable audio input level Compatible with in-dash 6-disc cd changers Compatibility list for Mazda: 2004-2007 Mazda 3 series, 2006-2007 Mazda 5 series, 2006 Mazda 6 series, 2004-2007 mazdaspeed3