Andy Wehmeyer's advice on two-seat tuning, center channels, rear fill and upmixing, with every point explained in plain English for beginners. Part 3 of a 20-part series.

Andy Wehmeyer's advice on car audio myths about digital audio, cables, power, amplifiers and speakers, with every point explained in plain English for beginners. Part 14 of a 20-part series.

Andy Wehmeyer's advice on reading specs, measurements and reviews, and planning and buying a system, with every point explained in plain English for beginners. Part 16 of a 20-part series.

Andy Wehmeyer's advice on choosing a shop or installer, the car audio business and SQ competitions, with every point explained in plain English for beginners. Part 17 of a 20-part series.