HEATKEYS

The premier site for high end mobile audio discussion and product reviews.

Provides bandpass, sealed and vented subwoofer box design software and science, math and engineering programs and freeware

termpro, db drag racing, spl meter, spl car audio, loudspeaker systems, wayne harris, db jams, db drag, jbl car audio, enclosure design software, jbl speakers, racing merchandise, pioneer auto stereo

Learn how to do just about everything at eHow. Expert Village is now a part of eHow, adding expert How To videos to eHow, the world

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

The online community for car audio beginners, enthusiasts and professionals. Find, compare and review the hottest car audio components, installers and installation shops in the world. Buy or sell your car stereo gear in our free online classifieds, s...

Free vehicle wiring diagrams and technical information for car stereo, car alarm, electronics installers. Ohm

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

The web

Computer based analyzers for electronic and electroacoustic measurements. Computer Aided Engineering Software.

Car audio help offers free information on car audio, car stereo, mobile video, satellite radio, a free newsletter and specialty articles on various topics from buying and installing car stereo equipment to maintaining and troubleshooting.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

This is a discussion forum dedicated to Home Theater and the products used.

Offers a single source to search the Web, images, video, news from Google, Yahoo!, Bing, Ask and many more search engines.