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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.

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

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

Audio Related Internet Site List - updated daily by Steve Ekblad

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

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

Welcome to Lenard Audio Education

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

DIY Audio and Video: FAQs, Tutorials, and Calculators for Speaker Boxes, Crossovers, Filters, Wiring and more.

How to Scrounge Up a Cheap Computer. (And what to do with it once you

Information on Transmission Line Design for DIY and other audio related information including filter design and bafflestep information

Parts Express audio discussion board. Want a second or third opinion about your speaker cabinet design or other audio related problem? Post your question or comment on the Technical Discussion Board. Hundreds of technicians, engineers, and hobbyists,...