Whatever the reason, shopping for a new car head unit can quickly introduce you to terms like "single-DIN" and "double-DIN." What do they actually mean? And more importantly, does one offer a ...

DIN is the form factor of a single CD head unit for an automobile. Many models have room for a double DIN, which is defined as 4″ high by 7″ wide. Once [Meta James] figured out that the ...

A standard automobile radio body size. A DIN radio (single DIN) measures 2x7", while a double DIN measures 4x7". When factory radio/CD players are replaced with aftermarket units, the DIN standard ...