Four products

Four products

Four Masters the Independent Car Audio Specialist Network Four Master Dealers CarAudioStuff Ltd

We are completely confident that the products we sell will last the distance. So confident in fact, that we offer a free 24 month warranty with all four products - Hertz, Audison, Rainbow, Audio Control, Skinz, Connection and Q+ Speaker Adapters.

Furthermore any of these products that are supplied and installed by CarAudioStuff Ltd will carry a further twelve months warranty and when we register the serial numbers of you Four product you will automaticaly get an added bonus, we will subscribe you to the Driving Sounds Club. Not only will you get the peace of mind from having an extra 12 months of warranty cover but you will also receive a monthly bulletin with news and views offers and competition prizes as well as a monthly top five tunes the team at Driving Sounds Magazine think you should be listening to in your car! FREE Issue

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Warning! Products that have not been sourced in the UK cannot be registered and will not be covered by UK warranty terms.


Map of UK Four Master Dealers

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Rainbow BMW F Series Front 2-Way Coaxial OEM Upgrade Speaker Set IL-X4F

The Intelligence Line IL-X4 For F Series BMW's is a 2-Way Coaxial car speaker system designed to..

£139.99

AudioControl 2XS Two Way Electronic Crossover

AudioControl 2XS A state-variable, 18 dB/octave, 2-way electronic crossover designed with a flexibl..

£139.99

AudioControl 6XS Six Way Electronic Crossover

The 6XS does it all. Sharp 24 dB/octave Linkwitz-Riley alignment   crossover with remote level contr..

£279.99

AudioControl EPIC 160 - In-Dash Car Audio Bass Maximizer

AudioControl EPIC 160 For the best bass possible and a way to measure how loud your system is playin..

£269.99

AudioControl EQL Dual Band-width Equalizer/ Line Driver

The EQL works wonders with any 2 channel audio system: From   existing factory installed setups to c..

£279.99

AudioControl EQS 20 Band Six Channel Equalizer/ Line Driver

Great sound for six channels, all in one unit. Separate inputs and equalization for front, rear, and..

£389.99

AudioControl EQX 13 Band Equalizer, Crossover and Line Driver

An impressive update of the first serious car equalizer/crossover.   Thirteen-band dual bandwidth eq..

£399.99

AudioControl Four.1i In-Dash Equalizer Line Driver

If your performance car audio system is designed for maximum sound   quality and maximum control, th..

£329.99

AudioControl LC2i Channel Line Output Converter inc AccuBASS Processor

Maximum Bass Response From Factory Installed Audio Systems The LC2i, is a compact, two-channel pr..

£119.99

AudioControl LC6i Six Channel OEM interface

This unique product will accept two, four, or six channels of speaker-level signal from an amplifier..

£169.99

AudioControl LC7 Six Channel Line Output Converter.

AudioControl LC7 Six Channel Line Output Converter With Auxiliary Input Open the door to better sou..

£209.99

AudioControl LC8 Eight Channel OEM Interface

The LC8 from AudioControl is the latest addition to our line of OEM interface products that connect ..

£254.99

AudioControl LCQ1 6 Channel Line Output Converter.

Audio enthusiasts can now rejoice with the introduction of AudioControl’s LCQ-1, a powerful six-chan..

£349.99

AudioControl Matrix Plus Six Channel Line Driver inc RLC

AudioControl created the MATRIX PLUS six channel line driver with one goal in mind, to make your car..

£239.99

AudioControl Overdrive Pre-Amp Line Driver

Give your system the boost that it needs. The high headroom power supply of the Overdrive raises any..

£139.99

AudioControl The Epicenter Special Processor

Adding impactful bass to your factory installed system is simple with The Epicenter & Epicenter® Plu..

£239.99

AudioControl Three.2i In-Dash Equalizer/ Crossover/ Line Driver

The THREE.2 is AudioControl’s in-dash car audio processor that   combines a four-band stereo E..

£329.99

Audison - Digital Remote Control Media Play - DRC-MP

The new Audison DRC MP (Digital Remote Control Multimedia Play) is compatible with all the Audison e..

£159.99

Audison Bit RCA Low Level Input Adapter Lead CBT1

RCA input harness for Bit Ten and Bit Ten D Allows the Bit Ten or Bit Ten D to be used with Low l..

£59.99

Audison Bit TenD Signal Interface Digital Remote Control

Bit TenD is a signal digital processor essential to maximize the acoustic performance of your Car Au..

£399.99

Audison BitTen Signal Interface Processor

Bit Ten is a signal digital processor essential to maximize the acoustic performance of your Car Aud..

£299.99

Audison Connection BPK 800 POWER KIT 800W 4AWG

COMPETITION GRADE INTERCONNECTS FOR THE SERIOUS ENTHUSIAST Audison Connection BPK 800 POWER KIT 800W..

£115.00

Audison Connection BSK 400 AMPLIFIER KIT 400W 8AWG

COMPETITION GRADE INTERCONNECTS FOR THE SERIOUS ENTHUSIAST Audison Connection BSK 400 AMPLIFIER KIT ..

£99.00

Audison Connection FPK 350 POWER KIT 350W 8AWG

PROFESSIONAL GRADE INSTALLATION KITS FOR EXCEPTIONAL VALUE Audison Connection FPK 350 POWER KIT 350W..

£47.00

Audison Connection FPK 700 POWER KIT 700W 4AWG

PROFESSIONAL GRADE INSTALLATION KITS FOR EXCEPTIONAL VALUE Audison Connection FPK 700 POWER KIT 700W..

£79.00

Audison Connection FPK C1000 Power Cap Kit 1000W W/Superfarad

Installation kit for the power connection of a single amplifier up to 1000w, featuring a 1,0 farad c..

£199.00

Audison Connection FSF 1.0 CAPACITOR 1.0 FARAD Capacitor

Audison Connection FSF 1.0 CAPACITOR 1.0 FARAD Amplifier stiffening Capacitor 20 VOLT DESIGN for ..

£114.99

Audison Connection FSK 175 AMPLIFIER KIT 175W 10AWG

PROFESSIONAL GRADE INSTALLATION KITS FOR EXCEPTIONAL VALUE FSK 175 AMPLIFIER KIT 175W 10AWG INSTA..

£49.99

Audison Connection FSK 700 AMPLIFIER KIT 700W 4AWG

PROFESSIONAL GRADE INSTALLATION KITS FOR EXCEPTIONAL VALUE Audison Connection FSK 700 AMPLIFIER KIT ..

£114.99

Audison Digital interface for all AV amplifiers AV Bit In HD

Digital interface for all AV amplifiers. It offers one AD Link and AC Link input as well as one AD L..

£149.99

Audison Digital Signal Processor OEM Interface BitOne

Bit One is a signal digital processor essential to maximize the acoustic performance of your Car Aud..

£549.99

Audison DRC Digital Remote Control

The Audison Digital Remote Control (DRC) is the digital interface between the bit processors and the..

£149.99

Audison HD Digital Signal Processor OEM Interface BitOneHD

Audison bit One HD, equipped with latest generation 450 MHz / 32 bit floating point DSP microprocess..

£1,299.99

Audison MOST Fibre Optic Interface for Bit Products Bit DMI

bit DMI is a digital interface for MOST systems, providing the ability to connect the Audison bit pr..

£549.99

Audison Prima - ISO Plug and Play Extension Lead In and Out - AP P&P I/O

This extension lead allows Plug and Play installation of Audison Prima Amplifiers in vehicles with I..

£44.99

Audison Prima 1" Compact tweeter with Filters AP1

Compact tweeter developed to perform in critical OEM placements. AP 1 The AP 1 tweeter features a..

£83.99

Audison Prima 5.25" Speakers 32mm easy OEM Integration AP 5

High power handling and outstanding low frequency control combined with great efficiency to ensure e..

£83.99

Audison Prima AP 4 Midbass with extended frequency response

Midbass with extended frequency response combined with high efficiency to ensure easy OEM Integratio..

£73.99

Audison Prima AP 560P&P IN Extension cables

The Audison Prima Extension cable with Plug&Play connections allows total freedom in positioning the..

£45.99

Audison Prima AP 6.5 Speakers 32mm easy OEM Integration

High power handling and outstanding low frequency control combined with great efficiency to ensure e..

£83.99

Audison Prima AP 8 Speakers 8 inch woofer easy OEM Integration

High power handling and outstanding low frequency control combined with great efficiency to ensure e..

£158.99

Audison Prima AP SPK OUT 8.9 Speakers Output cables

Audison Prima AP SPK OUT 8.9 Speakers Output cables. Built with twisted cables, for effective eli..

£39.99

Audison Prima AP T-H GMN01 T-Harness Vauxhall 2006>

Designed specifically for Vauxhall , for OEM integration. Connection to the AP Extension cable throu..

£39.99

Audison Prima AP1 D Mono Subwoofer Amplifier

Mono channel amplifier The AP1 D amplifier was designed to drive a subwoofer; at 2 Ohms it is sta..

£319.99

Audison Prima AP4.9 bit Amplifier The OEM Integrator

channel amplifier featuring 9 channel built-in processor The  AP 4 amplifier was designed f..

£598.99

Audison Prima AP5.9 bit Amplifier The OEM Integrator

5 channel amplifier featuring 9 channel built-in processor The AP5.9 bit amplifier is ideal to r..

£648.99

Audison Prima AP8.9 bit Amplifier The OEM Integrator

8 channel amplifier featuring 9 channel built-in processor. The AP8.9 bit amplifier was designed..

£698.99

Audison Prima APBX 10 DS - 10" Bass Reflex Enclosure Box Bass Subwoofer 800W

This beautiful piece of luggage compartment furniture not only looks the business but produces unbel..

£329.99

Audison Prima APBX 8 R - 8" Bass Reflex Enclosure Box Bass Subwoofer 800W -11%

Audison Prima APBX 8 R - 8" Bass Reflex Enclosure Box Bass Subwoofer 800W

This neat little subwoofer and enclosure combo is reflex loaded and tuned to develop high level at l..

£279.99 £249.99

Audison Prima APBX G7 Golf VII Custom Fit 10" Enclosed Subwoofer CarAudioStuff

The Plug&Sound reflex passive subwoofer system integrates perfectly into the car’s interio..

£299.99

Audison Prima APK 130 Complete system easy OEM Integration

APK 130 Complete system dedicated to OEM Integration. Two way system features AP 1 tweeter and AP..

£198.99