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...

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...

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

calculators, engineering, mechanical, electrical, electronics, design, construction, manufacturing, consultant, layout, software, chemical, plastic, polymers

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

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

Home theater forum for discussion of home theater systems design, construction and electronics... DIY subwoofers, Blu-ray reviews and DVD reviews.

Get your daily dose of science and tech topics. With Opposing Views, get knowledge from experts on the future of technology, astronomy, earth science, environmental issues and much more.

All the help you need for, car stereo and automotive electronic accessories installation, wiring, diagrams,removing, and repairing, for the do it yourself installer!

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

Looking for the best home theater speakers? Aperion Audio sells direct to you, with FREE SHIPPING and a 30-day trial! Visit us today.

Car Audio Subwoofers, Speakers, Amplifiers and Enclosures make up the broadest selection of consumer products in the Mitek family. With a focus on high-performance, MTX delivers classic, high performance car audio products.