Highdown Car Audio & Security
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 Jeremy Owen from Highdown Car Audio, meets Mad Mike and Alex from West Coast Customs at CES
 A little bit about us!!
 services available from Highdown Car Audio & Security
 send us your questions and queries
 Find out if we cover your area ( free call out !)
 details on how to contact us
 Security devices, including: alarms, immobilisers and trackers
 Audio systems, speakers, subwoofers, amplifiers and accessories
 In-Car navigation systems - portable systems from Tomtom, Garmin & Sony. - built-in systems from Alpine, Kenwood, Blaupunkt & Pioneer
 wnat to get your iPOD into your car ? Here's some solutions to do just that
 It's now illegal to use a mobile phone when driving, we have handsfree phone solutions for most mobile phones
 CD Tuners - choose from our massive selection
 DVD, Screens and gamesystems

WARNING: Diamond Audio does NOT authorize ANY internet sales of car audio products. Diamond car audio products are designed to be sold and installed by experts at authorized locations. Products purchased from anyone other than an authorized Diamond retailer may not be new or even genuine Diamond Audio Technology products, and do not qualify for Diamond Audio's limited warranty or technical support


The BIG Noise In Car Audio & Security

  Installation at your home or place of work
mobile fitting service We offer a call-out service to your home or place of work, and for the more involved jobs which need to be carried out in our fully equipped workshops, we will collect and return your car to you.
  GPS Navigation Systems
GPS Navigation systems More and more navigation systems are released each year, portable systems, CD ROM, DVD, DIN-sized, Navigation systems with motorised screens and DVD Video. It can be very confusing to find the right system for you. We can help you to choose the right system for you and your car.
  Immobilised Vehicle ?
Immobilised Car ? if you alarm or immobiliser fails to disarm, we can call out to bypass or remove it for you, providing that you have access to the vehicle and prove ownership.
  Handsfree phone systems for mobile phones
Handsfree phone kits including Bluetooth devices From 1st December 2003 a new law came into force in the UK that makes it a specific offence to hold and use a mobile phone whilst driving. This is in addition to the current laws governing safe driving. Drivers may still use a mobile phone if they have a handsfree phone kit fitted to their car. Call us now for a price to supply and fit a kit for your mobile phone.
  Car Audio System Design and Installation
Audio system design Whether you just want to upgrade your factory fitted radio for a new CD tuner, or an audio system with masses of STREET - BASS. We can help you design a system which will meet your needs and your budget.
  Audio Visual, DVD and Game systems
Highdown Car Audio & Security - Mobile Sales & Sevice van

When there's a long journey coming up, don't you just dread the thought of the kids endless question.. "Are we there yet?". With the correct entertainment system fitted, not only can your little darlings be entertained with the latest movie or video game, you too can enjoy listening to the radio or CD while being directed by the GPS Navigation, allowing you get to your destination in a more relaxed environment.
  Radio Decode Service
car radio decoding and repair service


have you lost the code for your car radio? we can decode it for you - prices start from only £15

  Repair Service
Highdown Car Audio & Security Mobile Sales and Service van
From time to time electrical product will go wrong. We offer a door to door collect and return service for Radio cassettes, CD Tuners, Minidisk units, CD Changers, DVD players and Navigation systems and LCD Screens.
  Window Tinting
Highdown Car Audio & Security - Mobile Sales & Sevice van
A professional tinting service for your car's glass, for added security, privacy and protection from the sun's harmful UV rays.
  Security Systems
Highdown Car Audio & Security - Mobile Sales & Sevice van

We are a MESF Affiliated company and we have also applied to the VSIB for accreditation. When we obtain our accreditation, you will be assured that our installations will conform with the VSIB code of practice. In the meantime you your installation will be completed to the highest quality, and our technicians are registered MESF.
We supply and install most makes of alarm systems, including Laserline, Cobra, Scorpion and Clifford. We issue an Installation Certificate for all Security devices we install. See some of our Security Devices
  Re Certification
Highdown Car Audio & Security - Mobile Sales & Sevice van

If your Insurance company is requesting a Certificate to prove that your security device is approved, we will call out to Inspect that your device complies with the current requirements, and providing that it is functioning correctly, we will issue you with an Inspection Certificate for your insurance company.
  Parking Aids
Highdown Car Audio & Security - Mobile Sales & Sevice van


Some modern day cars offer very poor rear view visibility, which can make parking a nightmare. Because of this we can professionally install a parking aid to help you to judge the distance between your vehicle and the object behind it. (Sensors can be colour matched).
  Tracking Systems
Highdown Car Audio & Security - Mobile Sales & Sevice van



Most insurance companies will demand that high value and sports coupes vehicles have a tracking device fitted before they will insure them. We can supply an approved tracking device to any 12 volt vehicle in Worthing and surrounding areas.
  Catchment Area
Highdown Car Audio & Security - Mobile Sales & Sevice van

Available to the residents of Worthing, Goring, Ferring, Durrington, Broadwater, High Salvington, Findon, Lancing, Angmering, East Preston, Rustington, Arundel, Ford, Littlehampton, Ashington, Washington, Pulborough, Petworth, Steyning, Bramber, Shoreham and recently we have extended our coverage to include Bognor Regis, Chichester, Goodwood and Selsey. Click here to see our coverage map.