Provides technical definitions on basic equipment and principles.

Free car stereo installation resource. Step by step installation instructions complete with photos, tool list, and wiring detail.

Tutorial for car audio crossovers, their operations and installation of. Includes introductions and tutorials on mobile loudspeakers.

Car audio resources with news, reviews, discussions and event coverage.

Technical information for mobile electronics installers with diagrams charts and calculators for Ohm's law relays diodes resistors, and vehicle specific wiring locations.