LoudSpeakerBuilder.ca
- Information on designing and building loudspeakers.
- http://www.members.shaw.ca/loudspeakerbuilder.ca/

Of Sound Mind
- Resource for answers to car audio related questions and troubleshooting.
- http://www.ofsoundmind.com/

Basic Car Audio Electronics
- Provides technical definitions on basic equipment and principles.
- http://www.bcae1.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

Car Audio Installation
- Offers tool downloads, links, diagrams, and installation guides.
- http://caraudio.biggz.com/

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

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/

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/

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

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

Jay's 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/

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

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

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

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

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

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

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

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