GROM USB car adapter kit connects USB 2.0 device such as flash drive, external hard drive
or mass storage device to the stock Audi A4 2004 stereo for music playback and integrated controls.
Control the music through factory Audi A4 2004 car stereo or steering wheel controls, see titles where applicable, browse by folders.Android car integration via USB port:
Play music, control from Audi A4 2004 car stereo
or steering wheel controls, charge. Supports advanced control and browsing by folders/playlists within Dashlinq app
plugins Spotify, Google Music, Web Radio, Pandora and Local (stored on the phone) music.
Requires Dashlinq Android Driving Assistant and Multimedia App (free for GROM users), available at Google Play Store
Works only with Dashlinq plugins. For more information go to Dashlinq page
iPhone / iPod/ iPad USB car integration:
Connect your Apple device to the Audi A4 2004 factory car stereo via USB port.
Play music, control from car stereo or steering wheel, and charge at the same time.
Use standard USB to Apple Lightning connector cable. All iPod Touch, iPhone, iPad with Lightning style cable are compatible.
iPhone, iTouch, and iPad with 30-pin style cable are compatible.
(iPod video, iPod photo, iPod classic, iPod shuffle, iPod mini with 30-pin connectors are not compatible.) Bluetooth add-on (sold separately):
Make hands free phone calls (HFP), stream music from your smartphone to the Audi A4 2004 factory car stereo,
control music with the car stereo or steering wheel controls with
GROM Bluetooth Dongle
Android and iPhone smartphones and most music streaming apps are supported.
HD Radio Tuner add-on (sold separately):
Get HD FM Radio stations from your Audi A4 2004 factory stereo.
GROM-HDR1 HD Radio tuner improves the sound quality of local
FM stations and delivers clear and bold sound. Adds access to the HD FM sub-stations for more music choices. Check out the
HD Radio Tuner and Antenna Dongle
Aux 3.5mm phone jack connection to Audi A4 2004 car stereo for any additional audio source
such as DVD, MP3 player, XM and more.Available with plus 5V charging option via AUX-In 3.5mm and 5V USB charging cable
In most AUDI 98-08 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 that is your case, we supplied you with the AUDS harness that accepts the factory connector and plugs into the radio,
leaving the CD changer port open for proper use of any interface adapter. For pictures and more information please visit
this page >>>
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
Enclosure: Black metal
Audi A4 2004
Standard package include:
- Car stereo adapter in metal enclosure
- Vehicle specific harness
- AUDS AUDI Splitter
- Automotive grade USB Type A Male / Type A Female 3FT cable
- Operation manual
Optional accessories (purchase separately):
- GROM Bluetooth Dongle for hands free calling and wireless playback (GROM-BTD)
- GROM-HDR1 HD Radio Tuner and Antenna (GROM-HDR1)
- AUX 3.5mm cable and 5V USB charger for any MP3 player, mobile phone, XM, etc. (35USB)
We ship internationally. For rates and delivery times please see this chart
- 30 days money back guarantee
- 1 yr replacement warranty
Q.: What USB devices cab I connect to the USB port of GROM-USB3 car kit?
A.: You can connect USB stick/flash drive, Android phone or iPhone/iPod/iPad via USB cable. All iPod Touch, iPhone, iPad with Lightning style cable are compatible. iPhone, iTouch, and iPad with 30-pin style cable are compatible.
(iPod video, iPod photo, iPod classic, iPod shuffle, iPod mini with 30-pin connectors are not compatible.) Q.: Will USB port also charge my Android or iPhone / iPod / iPad, while playing the music?
A.: Yes it will charge your Android phone or iPhone / iPod / iPad while playing the music.Q.: If I also use GROM Bluetooth Dongle (GROM-BTD), and the phone call comes in, will USB music pause automatically?
A.: If you connected your device via USB, and Bluetooth at the same time, the music that is playing over USB will pause upon the phone call.
For more questions about GROM-USB3 functionality please visit GROM-USB3 FAQ page