HEATKEYS

The Box Guy. Custom subwoofer boxes, top quality construction and design.

Car audio technical information with more than 125 individual pages, 50+ calculators and wav files. The covered topics range from basic electronics theory to more advanced topics such as speaker impedance as it relates to frequency, damping factor a...

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

YouTube is a place to discover, watch, upload and share videos.

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.

Atrend is the global leader in subwoofer enclosures. Our speaker boxes are manufactured by our staff of experienced audio professionals. We bring the boom so you don

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

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 Internet

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...

Get free Shipping on everything $49 and up until December 25th! Call 1-800-319-8943 for custom-tailored advice audio/video electronics for the Car and Home.

Lowest prices from the experts in car audio and video. Daily deals, fast and free shipping, up to $30 in free custom install kits on select car stereo receivers. Shop now!