HEATKEYS

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

Mini Truckin Magazine is your source for mini trucks, pickup trucks and lowrider custom truck reviews including parts and accessory installation how-to, pictures, videos, truck shows & events and more

Best Bass Gear sells pickups, preamps and accessories for electric basses. We feature most of the top names in the industry, including: Bartolini, Aguilar, Demeter, John East, DiMarzio, Leo Quan, Hipshot and others.

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

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

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

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