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Product Highlights

  • Mille for Pro Sound

    Mille for Pro SoundHertz Mille Pro to Go!

    A range of superb speakers aimed at those looking for the best sound possible on a finite budget. Many of the features from the Legend range have been incorporated to ensure a powerful linear performance suitable for all musical genres.

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  • Rainbow Digital Signal Processor

    Rainbow Digital Signal ProcessorControl Freakery!

    This superb DSP from German automotive audiophile engineering company takes precision to new levels. With eight channels to shape, smooth and massage,the Rainbow DSP enables installers to get the very best out of even the most sophisticated audio system by equalising the output of any source unit and vehicle interior.

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  • Audison Prima Pack

    Audison Prima PackVW Golf VI Awesome Audio Upgrade

    This plug and play audio upgrade for the Golf MK VI adds awesome audio performance to this fabulous car. Pack includes all hardware required to upgrade the system. All the installer needs to do is add sound treatment to have lucky owners rocking fabulous sounds!

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  • Driving Sounds Issue VI

    Driving Sounds Issue VINew issue lands on Thursday 23rd June

    Printed copies will be available from Thursday 23rd June. Sign up to become a Driving Sounds Club member online, you can download the new issue free of charge - Usually £3.95.

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Your Car

Your Car


FOUR MASTERs is a national network of independent specialist installers capable of designing and fitting car audio systems to the highest standard. By bringing them together we offer consumers a uniform set of unique benefits for having installation work carried out by them. These include:

  • National 3-year parts and labour warranty
  • Click and collect from your local FOUR MASTER
  • Expert system design
  • Installation by trained installers
  • Access to specialist high quality car audio brands
  • Friendly, expert advice
  • 21-day satisfaction guarantee (FOUR distributed product only, excludes labour)