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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...

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

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

The Subwoofer Design Toolbox by MFR Engineering is an easy to use but powerful program for designing subwoofers. The Car Stereo Cookbook explains how to design, choose and install car stereo systems.

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

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