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Audi / Seat / Skoda / VW - USB iPhone Android integration kit

Audi / Seat / Skoda / VW - USB iPhone Android integration kit

Quick Overview

USB / iPod / Android / Bluetooth Interface Box

USB / iPhone / Android / Bluetooth Interface Box
USB port accepting any USB stick/drive
Android car integration via USB
iPod, iPhone, iPad car integration via USB
MP3, M4A, OGG, FLAC, AAC, WAV music supported

Distinctive functionality

Distinctive functionality
Plug and play installation
Control your media from stereo or steering wheel
Track information and text on select radios
DAB Radio support (tuner sold separately)


Bluetooth Streaming and Handsfree (optional)
Hands Free: operate phone calls, voice dial
Bluetooth Audio: from your phone to the stereo

Availability: In stock

Starting at
  Description    Compatibility    Installation    Videos    Additional Information    reviews  

GROM-USB3 interface makes it easy to enjoy your music while driving. With plug-and play connection your mobile phone or USB stick becomes an in-car media centre. An optional Bluetooth Dongle adds hands free calling and wireless audio streaming.

USB Input to your Factory Car Stereo
GROM-USB3 car stereo adapter connects your USB 2.0 device such as flash drive, external hard drive or mass storage device to the stock stereo in your car. You can control the playback through your car stereo or steering wheel controls.

Android Integration
Play and control music from your Android phone through the car radio. Connects & charges via USB cable, DashLinQ ® app required (FREE to download at Google Play store

iPod®/iPhone® Integration via Lightning connector
Connect your Apple device to the factory car stereo via the USB port. Play and control music from your car stereo or steering wheel controls. Keep your apple device charged at the same time. Utilises the standard USB to Apple connector cable (including Lightning style). All iPods, iPhones and iPads are compatible, including latest iPhone 6 / 6 Plus.

Integrated Controls
Allows you to advance playlists, songs, folders, accept/reject/end calls/voice dial (Bluetooth dongle required)  more conveniently using your car stereo or steering wheel controls.

Bluetooth Capability
Syncs up your mobile phone and car stereo for Hands Free usage and wireless audio streaming (Bluetooth add-on sold separately) .

Aux-Input and USB charge
Adds 3.5mm audio input for any MP3 player/Phone/DAB radio & charges with 5V USB (aux-in cable sold separately) .

Text Display
Shows song title, album, artist name on your stereo screen (stereo permitting).

Invisible Installation
No need for extra LCD displays & controls, keep your original car stereo and preserve that sleek factory look.

CD Quality Sound
Seamless integration into your factory stereo system using CD changer emulation provides fantastic sound quality as opposed to the typically poor sound quality associated with FM modulators, cassette adapters or systems that have their own amplifier.

Simple DIY plug-n-play installation in most cases.

Legal & Safe
Why risk penalty points and a fine, use the Grom interface to legally & safely operate your music device/phone whilst driving!

Firmware Upgradeable
Free software updates for continued compatibility.
Universal interface for many car makes which could be transferred to your next car.

Peace of Mind
14 day money back guarantee & 1 year manufactures warranty.

Suitable for the following vehicles:

  • Most Audi  models 1998-2005
  • Audi A2 1999-2005
  • Audi A3 2001-2009 (NO MMI)
  • Audi A4 1998-2005 (AUDS needed*)
  • Audi A4 2006-2009 (NO MMI)
  • Audi A6 2001-2004 (AUDS needed*)
  • Audi A8 1999-2003 (AUDS needed*)
  • Audi RS4 2007-2008 (NO MMI)
  • Audi TT 1999-2010 (NO MMI)
  • SEAT any model 1998-2010
  • Skoda any model 1998-2010
  • VW Beetle 1999-2010 **
  • VW Fox/Polo 1999-2010 **
  • VW Cabrio 1998-2001 **
  • VW EOS 2007-2010 **
  • VW Bora/Jetta 1999-2010 **
  • VW Golf 1998-2012 **
  • W Passat 1999-2010 **
  • VW Tiguan 2004-2010 **
  • VW Touareg 2002-2010 **

Note: Audi 2002+ MMI Gen 2 kits now available
Note: * Some Audi's require harness modification or part #AUDS in order to reach the CD changer port.
Note: ** RNS 310, RNS 315, RNS 510, RCD 510 stereos are not compatible, please see VAGR kit
Note: The VAGT cable is available for models that have a CD changer connector in the glovebox/armrest/boot, if preferred please check 2x6 pin connector is present in your vehicle and request VAGT harness instead of VAGM. 

Unsure? Download the full vehicle application guide or contact us.

  • Step 1 - remove the factory head unit (see FAQ's or video clips for further help)
  • Step 2 - connect the Data Cable (Vehicle Specific Cable) into the typically empty CD changer port on the rear of the unit.
  • Step 3 - plug the other end of the data cable into the Grom interface which is small enough to leave behind the stereo or ideally route into the glove box.
  • Step 4 - connect your chosen accessory cables/USB cable and route to your preferred location around the drivers seat.
  • Step 5 - re-install head unit and enjoy.

    No fuss, easy DIY plug-and-play installation
    No wiring needs to be cut or soldered.
    The installation of this kit should not affect your vehicles warranty.

Please note: With many different kits and applications please consider these videos as a general guide. 


Data Cable:

Each Grom Audio kit comes with one vehicle specific cable (Data cable) for connection between the interface and the CDC port on the rear of the head unit.

The VAGM cable features two different connectors for both single and double din head units.  Some Audi/VW models may have a boot/arm rest CD changer mounting position, if this option is preferred please request the VAGT cable.

Device Compatibility:

USB compatibility:

  • USB port accepting USB media (stick / thumb drive / hard drive) 
  • MP3, M4A, OGG, FLAC, AAC, WAV music supported

Android compatibility via USB port:

  • Full Android integration requires DashLinq Android App, available FREE at Google Play Store 
  • USB streaming for select Android devices (Jelly Bean and up) is available without DashLinQ. You can stream music and use track up/down controls from any music application, while connected via USB. 

Apple compatibility via USB port:

  • All iPods, iPads, iPhones including 6/6 Plus and Lightning connections

Made for iPod iPhone

Bluetooth compatibility via Bluetooth dongle:

  • Any phone with Bluetooth inc. iPhones, Android based phones, Windows phones etc.



  • Automotive grade USB extension cable with latch-style connectors
  • Operating Temperature: -40C - +85 C (-50F - 200 F)
  • Operating current: ~220mA 
  • Standby current: ~1mA 
  • SN Ratio: 95dB
  • DAC resolution: NA 
  • Distortion: < 0.01%
  • Dimensions: W / H / D - 60* 73 * 20 mm
  • Weight: 60g 
  • Enclosure: black metal

Kit Contents:

  • Car stereo adapter in metal enclosure
  • Vehicle specific cable to connect to CD changer port (select one)
  • User manual
  • USB extension cable

Optional accessories and upgrades - sold separately:

  • Bluetooth Dongle (BTD)
  • Aux-in 3.5mm jack & female USB for charging (35UB)
  • AUDS Cable for host loom access (AUDS)

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