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GROM-MST4 USB Android iPhone for Volvo S40 V50 XC90 C30 C70 06+ 6-CD Radio, Bluetooth optional
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GROM-MST4 USB Android iPhone for Volvo S40 V50 XC90 C30 C70 06+ 6-CD Radio, Bluetooth optional

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In stock (1000 items available)

Works with:

Volvo S40 2005-2012 (6-CD)
Volvo C30 2006-2013 (6-CD)
Volvo V50 2005-2012 (6-CD)
Volvo C70 2006-2012 (6-CD)
Volvo XC90 2007-2013 (6-CD)


1. Steering Wheel Track Control if equipped (SAT emulation firmware does not support steering wheel controls)

2. Factory CD Player/Changer will be DISABLED in order to use GROM-MST4

3. Support Text (Stereo must have CD text functionality)

USB / iPod / Android / Bluetooth Interface Box

USB port accepting any USB stick/drive

iPhone and Android phone integration via USB

MP3, M4A, OGG, FLAC, AAC, WAV music supported

Control from car stereo or steering wheel

Bluetooth Streaming and Handsfree Dongle


Hands Free (HFP): accept & reject phone calls

Voice dial where applicable

Bluetooth Audio streaming (A2DP)

Integrated controls (AVRCP)

Add 3.5mm phone jack (sold separately)

Add HD Radio Tuner (sold separately)

Track information and text on select radios

  • $272.59
Old price: $289.99 , you save $17.40
  • 6% off
  • Weight
    1.4 lbs
  • SKU

6-Disc changer will be disabled once GROM is connected, GROM replaces CD player.

USB Connection: GROM-MST4 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 via USB port that supports advanced control and browsing requires DashLinQ Android Car Mode Dashboard App, available at Google Play Store For more information go to DashLinQ page

USB streaming for select with Jelly Bean and up software is available without DashLinQ. You can stream the music and use track up and track down controls from any music application, while connected via USB. 

iPod, iPhone, iPad car integration: Connect your Apple device to the 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 connector cable (including Lightning style). All iPod, iPhone, iPad are compatible, invcluding latest iPhone 6 and iPhone 6 Plus.

Bluetooth add-on (sold separately): Make a hands free phone calls (HFP), stream music from your phone to the factory stereo via Bluetooth Audio playback (A2DP), control your music with the car stereo or steering wheel controls via Bluetooth wireless audio control (AVRCP) with the GROM Bluetooth Dongle

HD Radio Tuner add-on (sold separately): Get HD FM Radio stations from your 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 Dongle!

Aux 3.5mm phone jack connection 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

For cars outside of USA, in some case if device is recognized and work properly but only for few seconds you will need to visit your dealer and apply MOST Security OFF patch. This patch can be removed by the authorized dealer only. This patch will allow third party integration devices to work properly with your factory stereo. Currently there is no workaround been found besides visiting the dealer.
For cars within USA, there are some rare cases, if the car was imported to the US, it might have MOST Security ON. No any Volvo dealer within US has the ability to turn it off. In that case you can return the kit back to us within 30 days for the refund. 

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