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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...

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

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

The Audi Enthusiast website. Forums for all Audis including A4, S4, A5, S5, A6, S6, allroad, A8, S8, TT, R8, Q5, Q7, 4000, 100, 200, v6, v8, vintage, local forums

Arctic Cat Forum - Covering Arctic Cat Snowmobiles, Sleds, ATV

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ClearOne Communications leading global provider conference phones, professional audio, conferencing systems, installed audio conferencing solutions, desktop conferencing, conferencing microphones.

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TIC Corporation is the market leader in outdoor speakers systems offering exterior omni speakers, patio speakers, rock speakers, wireless speakers, wall/ceiling speakers, garden speakers and exterior outdoor audio systems

Lee Dan