Car Alarms and Security  
   Information on Thatcham security, window sensors, remotes and wiring techniques. Browse mobile alarm diagrams, instructions, and installation tips.
   http://www.caralarms.org/

MobileAudio.com  
   Browse yellow and white pages, FAQ, sound-off arena and business pages.
   http://www.mobileaudio.com/

Passive Crossover Tutorials  
   Tutorial for car audio crossovers, their operations and installation of. Includes introductions and tutorials on mobile loudspeakers.
   http://www.passivecrossovers.com/

Carsound Magazine  
   Listing of car audio products, as well as reviews, columns, questions and answers, and forums.
   http://www.carsound.com/

Car Audio and Electronics Magazine  
   Official website of the newstand magazine. Browse recent articles, reviews and events.
   http://www.caraudiomag.com/

AmiMPC Amiga MPEG Car  
   Details and gallery of mobile Amiga MP3 player. View installation notes and details on custom hardware and software utilized.
   http://amimpc.world3.net/

SpeakerBuilding.com  
   Resource for loudspeaker design and construction detailing car audio, home audio and pro audio.
   http://www.speakerbuilding.com

Canadian Car Audio  
   Car audio news, tips, reviews and discussion forums, specializing in Canadian-based installs.
   http://www.canadiancaraudio.com/

TermPro Car Audio  
   Car audio resources with news, reviews, discussions and event coverage.
   http://www.termpro.com/

Install Doctor  
   Free car stereo installation resource. Step by step installation instructions complete with photos, tool list, and wiring detail.
   http://www.installdr.com/

SoundIllusions.net  
   Source for information on car audio with chat rooms, tips, forums, and reviews.
   http://www.soundillusions.net/

Aktiv Audiophile Page  
   Dedicated to car stereo upgrade and replacement of all Volkswagens with the Aktiv system. Read technical papers, tutorials and learn about the history of the popular VW stereo system.
   http://www.corrado-club.com/aktiv/

StreetDreams  
   Custom car audio installation photo index, vehicle OEM wire colors, car audio glossary, and tech pages.
   http://www.streetdreams.com/

Car Audio Planet  
   Discussion forum, images, and news for competitive car audio enthusiasts.
   http://www.caraudioplanet.com/

CarAudio Resources  
   Resource directory with news, technical articles, open links, a guest book and forums. Also offers an install section which features a weekly ride.
   http://www.caraudioresources.net/

CarAudioResources.com  
   Downloadable guides for car audio installation, along with forums and classifieds.
   http://www.caraudioresources.com

Custom Car Stereo Reference  
   Online collection of articles published with the goal of helping people involved with car audio and security.
   http://ccs.exl.info

W-Body Car Audio  
   Find specific fitments and projects for cars. Includes articles, and information on installation kits and accessories.
   http://incolor.inetnebr.com/weisinator/

Basic Car Audio Electronics  
   Car audio technical information with tutorials on amperes, current, crossovers and voltage. Browse diagrams and calculators to determine car audio needs.
   http://www.eatel.net/~amptech/elecdisc/

Alarms and Security UK Directory  
   Find car alarm and vehicle tracker system specialists throughout the UK with the nationwide directory of security specialists
   http://www.alarmsandsecurity.net/

Elite Car Audio  
   Features reviews, install advice, install galleries, news and online forum.
   http://www.elitecaraudio.com/

The12volt  
   Technical information for mobile electronics installers with diagrams charts and calculators for Ohm's law relays diodes resistors, and vehicle specific wiring locations.
   http://www.the12volt.com

LoudSpeakerBuilder.ca  
   Information on designing and building loudspeakers
   http://loudspeakerbuilder.ca