Based on your need, you can either go for a stereo system that can interact with your smartphone to offer you smarter results on a touch screen or go for conventional stereo systems to keep the music on. In this modern world, all your devices can connect to each other, even your car. To fit a double din in a single din, you will need to remove the utility tray below the single din space. You can fit a single din in a double din with a similar sized bracket. There are many single din out there which are great. Double din is always not better then single din, it just comes with more space for components. To put it simply if stereo space in your car is 4 inch tall then it’s double din and if it’s 2 inch tall then it’s single din. This pattern is followed to ease up the fitting of stereo in different car models and brands. The two prominent stereo sizes are double din and single din, in which double din is bigger one. What is Single Din and Double Din stereo ?