Hello i have had my Jazz for a couple years now and have decided to upgrade the audio in the car (head unit and speakers)
I have the 2007 Jazz VTI-s and have been looking into doing this for a while.

So far my research has led me to needing to buy the new face unit for the stereo (http://www.aliexpress.com/item/Doubl...858091994.html)
I then need to purchase a head unit. But i am unsure on wiring and power requirements with stock car.

I also require to purchase speakers (have not decided which). I am going to stick to coaxial speakers for simplicity. I have found a guide how to remove door panel but it says for speakers of 6 1/4" I need an adapter for the front? I can't find this adapter for mounting they also say there is one for the actual speaker wiring?