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Add-on AUX interface
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
- Porsche 914 (1970-1976)
Fits:
Porsche 911 1965-89
Porsche 964 1989-94
Porsche 993 1995-98
Porsche 996 1998-05
Porsche 986 Boxster 1997-05
Porsche 924 1977-88
Porsche 928 1978-95
Porsche 944 1982-91
Porsche 968 1992-95
Porsche 914 1970-76
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99664551300
The product you are viewing cross references to these numbers
Porsche Add-On AUX Interfaces - Simple Audio Input for Factory Multimedia Systems
Porsche Add-On AUX interfaces allow external audio devices—such as smartphones, MP3 players, or portable media sources—to connect directly to the factory infotainment system via a 3.5mm auxiliary input. Designed to retain the original head unit and interior appearance, AUX interfaces provide a straightforward, reliable solution for adding external audio playback to Porsche multimedia systems.
Available from Design911, Add-On AUX interfaces are ideal for restoring lost connectivity or upgrading older Porsche audio systems without replacing factory components.
What Do Porsche Add-On AUX Interfaces Do?
Add-On AUX interfaces enable analogue audio input through the factory sound system.
Core Functions:
- Connect external audio devices via AUX input
- Play music through factory speakers
- Retain OEM head unit and controls
- Provide a simple, plug-and-play audio solution
- Preserve factory interior appearance
They offer an easy way to expand audio functionality in vehicles without Bluetooth or USB support.
Why Do Add-On AUX Interfaces Fail?
AUX interfaces rely on wiring, connectors, and analogue signal paths that can degrade over time.
Common Causes of Failure:
- Worn or damaged AUX cables or connectors
- Internal wiring fatigue from vibration
- Oxidation or corrosion at connection points
- Compatibility issues with updated infotainment systems
- Damage during previous audio installations
Failure may result in crackling audio, intermittent sound, or complete loss of input.
When Should an Add-On AUX Interface Be Replaced?
- Porsche Add-On AUX interfaces should be replaced when:
- Audio signal becomes intermittent or distorted
- External devices are no longer recognised
- AUX input stops producing sound
- Upgrading to improved audio integration solutions
- Diagnosing unexplained sound input faults
Replacing a faulty interface restores clean, reliable external audio playback.
Highlights
- OEM-style Porsche audio input solutions
- Enables external audio playback via AUX
- Retains factory head unit and appearance
- Simple, reliable plug-and-play installation
- Ideal for audio system refresh or repair
