HEATKEYS

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

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.

The Leader in guitar speakers, bass speakers, and pro audio loudspeakers. Great upgrades for JBL, Celestion, Jensen, and Fane.

SpeakerBuilding.com is a resource for DIY loudspeaker design and construction.

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...

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

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

Audio Related Internet Site List - updated daily by Steve Ekblad

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...

The web

Speakers - Speaker parts, Eminence guitar speakers and Eminence bass speakers, woofers, woofer, HF drivers, horns, parts for speaker repair, HF drivers and crossovers for speaker replacement or speaker upgrade by Eminence Speaker, JBL speaker, EV, B&...