When shopping for car stereos, you might encounter descriptions that say single or double DIN. Just what does that mean, and is one better than the other?

A double DIN car stereo is an audio head unit that fits in the dashboard of an older vehicle. The standard dimensions of this head unit are roughly 7 x 4 inches.

Upgrade your infotainment system with an Android Auto head unit. We've found the best single DIN, big screen, wireless and affordable Android car stereos available.

We pick from the best double-DIN head units for your car audio upgrade ...

Kenwood revealed their lineup of car stereo head units for 2016 at CES, including four models that will come with support for Android Auto. Kenwood says all models will be getting a processor ...