In these time almost in every second house have car, but if you have a good audio in your car then you can enjoy your journey.so here are some tips when you have to choose a good car audio system:
the first most thing is the sound quality, the sound quality of the car audio is good.
second thing is your media player and speakers, you should go for a CD player has an fr range of 10-20 hz.
third thing you should know is what media player you are choosing weather you are going for a cassette player or cd/dvd players but cassette are stoped manufacturing, you you can go for a usb drives player like pen drive or phones connector last thing is you have you chose best speakers for your car .dont go for higher sound.