Android and iOS Smartphone Integration for Select 1998-2009 Audi Vehicles

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• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1998-2009 Audi Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

See compatible vehicles Learn more about the audu3

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Current Promotions (1 offer)

Connect your 3.5mm Auxiliary Devices to your Factory Stereo and keep them charged! Save 25% on a C-35USB 3.5mm Auxiliary Adapter + 5 Volt USB Charger with the purchase of a qualifying GROM Audio Smartphone Vehicle Integration kit for your factory head unit.


25% off

Priced separately $131 98

Promo Savings of $4 25

Total price:

$127 73


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General Features:

  • USB, iPhone, iPod and Android Smartphone Vehicle Integration kit
  • Compatible with Select 1998-2009 Audi Vehicles
  • Plugs directly into vehicles harness
  • iPhone, iPod and Android in-car play, charge and control
  • Fully compatible with GROM Audio's Free DashLinQ Android App for Simple and Safe Use of your Android Phone in Driving Mode
  • Two EXT ports for optional AUX-IN and Bluetooth
  • Provides 5V charging via standard USB port
  • Optional Bluetooth Voice (HFP) and Music Streaming (A2DP)
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty


  • Stream you favorite Internet Music Service via USB with Android 4.1 or greater.
  • Your USB disk or Android phone becomes a virtual CD changer
  • Add a 3.5mm auxiliary connection and 5V charging capabilities with the GROM Audio C-35USB
  • USB Socket accepts any USB stick/drive and supports MP3 / WMA / iTunes (AAC) files
  • The GROM Bluetooh Dongle allows you to use your phone in the car hands free, stream your MP3 music from your phone to the factory stereo via Bluetooth Audio playback, control your MP3 music with the car stereo or steering wheel controls via Bluetooth wireless audio control

Note: In some Audi vehicles, a solid 3-in-1 factory connector blocks access to the CD changer port. The factory connector must be removed to gain access to the CD changer port. If it has this connector you will need to purchase the GROM Audio AUDS harness that allows the installation of a GROM Audio interface.

Vehicle Qualifiers:

Audi Navigation Plus ( RNS-E model) may require VAG-COM to program "TV/CDC" settings etc. for the RNS-E if vehicle is not currently equipped with CD changer

*no satellite radio installed: Audi Navigation Plus ( RNS-E model) may require VAG-COM to program "TV/CDC" settings etc. for the RNS-E if vehicle is not currently equipped with CD changer

**no satellite radio installed and no MMI: Audi Navigation Plus ( RNS-E model) may require VAG-COM to program "TV/CDC" settings etc. for the RNS-E if vehicle is not currently equipped with CD changer

1 Must disconnect SAT Port if occupied

2 Not compatible with MMI Radio. For MMI Radio use GROM Audio MST4-AUDO instead

Check out the AUDU3 Owner's Manual

Product history:

GROM Audio AUDU3 thumbnail
(newest, current model)
GROM Audio AUDU2P thumbnail
(previous model, replaced by GROM Audio AUDU3 (GROM-USB3-AUD))

Compatible Vehicles

Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

  • 1998 Audi A4
  • 1999 Audi A4
  • 1999 Audi A8
  • 2000 Audi A4
  • 2000 Audi S4
  • 2000 Audi TT
  • 2001 Audi A4
  • 2001 Audi A6
  • 2001 Audi Allroad Quattro
  • 2001 Audi S4
  • 2001 Audi TT
  • 2002 Audi A4
  • 2002 Audi A6
  • 2002 Audi Allroad Quattro
  • 2002 Audi S4
  • 2002 Audi TT
  • 2003 Audi A4
  • 2003 Audi A6
  • 2003 Audi Allroad Quattro
  • 2003 Audi RS6
  • 2003 Audi TT
  • 2004 Audi A4
  • 2004 Audi A6
  • 2004 Audi Allroad Quattro
  • 2004 Audi S4
  • 2004 Audi TT
  • 2005 Audi A4
  • 2005 Audi S4
  • 2005 Audi TT
  • 2006 Audi A3
  • 2006 Audi A4
  • 2006 Audi S4
  • 2006 Audi TT
  • 2007 Audi A3
  • 2007 Audi A4
  • 2007 Audi S4
  • 2008 Audi A3
  • 2008 Audi A4
  • 2008 Audi S4
  • 2008 Audi TT
  • 2009 Audi A3
  • 2009 Audi A4
  • 2009 Audi S4

Specifications & Details

General Features
Type of Factory Radio Improvement Harness
Provides a Charge
Factory Radio Improvement Features
Android Smartphone Integration
Bluetooth Integration
iPhone 5 Compatible
iPhone 6 Compatible
iPod/iPhone Integration
Provides Auxiliary Input
Provides USB Input
Siri Compatible
Number of Device Connections
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


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