HEATKEYS

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

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...

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.

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

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

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

Comprehensive home theater product reviews, tech articles, buying guides, and consumer electronics news! Get the latest equipment reviews and tech info on HDMI 1.3 A/V receivers and processors, HD DVD, Blu-Ray and more.

The lowest prices on brand name car stereo and car audio/video products online including car subwoofers, car amplifiers, car speakers and electronics.

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!