---
product_id: 57583989
title: "GROM Audio MST4 kit compatible with 2005+ C30 S40 V50 C70 XC90 with 6 CD system. Fibre Optic M.O.S.T"
brand: "grom audio"
price: "A$784"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/57583989-grom-audio-mst4-kit-compatible-with-2005-c30-s40-v50
store_origin: AU
region: Australia
---

# GROM Audio MST4 kit compatible with 2005+ C30 S40 V50 C70 XC90 with 6 CD system. Fibre Optic M.O.S.T

**Brand:** grom audio
**Price:** A$784
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** GROM Audio MST4 kit compatible with 2005+ C30 S40 V50 C70 XC90 with 6 CD system. Fibre Optic M.O.S.T by grom audio
- **How much does it cost?** A$784 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/57583989-grom-audio-mst4-kit-compatible-with-2005-c30-s40-v50)

## Best For

- grom audio enthusiasts

## Why This Product

- Trusted grom audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

GROM-MST4 kit is COMPATIBLE with the following vehicles/radios:   C30 2006-2013 (6-CD)*  S40 2005-2012 (6-CD)*  V50 2005-2012 (6-CD)*  C70 2006-2012 (6-CD)*  XC90 2007-2013 (6-CD)*  *Important: In some cases if the device is recognised and works properly but only for a short time you will need to visit your dealer and apply "MOST Security OFF" patch. This patch will allow third party integration devices to work properly with your factory stereo and can only be set by them. This applies to the UK, some EU countries already have this set to OFF. We advise checking with your dealer before purchasing!  If unsure please contact us with your details or request MOST security additional information guide pdf   KIT CONTENTS:   GROM-MST4 unit  Fibre optic harness assembly  USB cable  Installation/user manual   FEATURES:   Text display  Integrated controls  CD quality sound  All iPods/iPhones (Lightning) including 13  Supports up to 80GB USB drive  Connects via CD changer emulation, replaces CD changer  Invisible Installation - retain factory stereo whilst adding modern connectivity options  Simple DIY plug-n-play installation in most cases  Legal & safe to use  Firmware upgradeable  30 day money back guarantee and 1 year manufacturer warranty   MORE INFO:   GROM-MST4 user manuals  MOST security additional information guide  Full Vehicle compatibility guide  Product Comparison chart  Grom Audio video clips (installation and usage)

## Features

- GROM-MST4 car kit allows full Integration of USB media and iPod/iPhones into hi-end cars equipped with fibre optic technology. Enhancing your standard stereo with modern connectivity options for an in-car media presence.     USB Integration: USB port plays music directly from any USB stick/drive FLAC, AAC, M4A, MP3, OGG, WAV supported with folder and track control from stereo.e upgraded with the Grom Bluetooth dongle for hands free calls and wireless audio streaming. You can also add 3.5mm Aux-In with the Grom Aux-in cable. Please see our other listings for the Grom Bluetooth dongle (GROM-BTD) and Grom Aux-in cable.     iPod/iPhone: simply connect your phone to the USB cable to use as a virtual CD changer providing control, track info and charging power.     2 expansion ports for optional: Bluetooth dongle (BTD) to give hands free & wireless music streaming ability, Aux-input cable (35MD). ALL ADD-ONS ARE SOLD SEPARATELY     ATTENTION: Please see all the compatibility information in Product Description to check your vehicle is compatible, particularly M.O.S.T. Security OFF patch!

## Images

![GROM Audio MST4 kit compatible with 2005+ C30 S40 V50 C70 XC90 with 6 CD system. Fibre Optic M.O.S.T - Image 1](https://m.media-amazon.com/images/I/61RjUmg6GSL.jpg)
![GROM Audio MST4 kit compatible with 2005+ C30 S40 V50 C70 XC90 with 6 CD system. Fibre Optic M.O.S.T - Image 2](https://m.media-amazon.com/images/I/41ODDjcVg-L.jpg)
![GROM Audio MST4 kit compatible with 2005+ C30 S40 V50 C70 XC90 with 6 CD system. Fibre Optic M.O.S.T - Image 3](https://m.media-amazon.com/images/I/4149AaMKdSL.jpg)
![GROM Audio MST4 kit compatible with 2005+ C30 S40 V50 C70 XC90 with 6 CD system. Fibre Optic M.O.S.T - Image 4](https://m.media-amazon.com/images/I/21EE4TKo-wL.jpg)
![GROM Audio MST4 kit compatible with 2005+ C30 S40 V50 C70 XC90 with 6 CD system. Fibre Optic M.O.S.T - Image 5](https://m.media-amazon.com/images/I/41bEPJuh5YL.jpg)

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**Shop now:** [https://www.desertcart.com.au/products/57583989-grom-audio-mst4-kit-compatible-with-2005-c30-s40-v50](https://www.desertcart.com.au/products/57583989-grom-audio-mst4-kit-compatible-with-2005-c30-s40-v50)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-17*