There have been lots of threads on this. Check the files from about two months ago.
I really like my Blaupunkt but it was a challenge getting it in that small space.
Pyle is a great choice as several of their units are very short.
Remember, CDs are old school. SD cards, USB portsand MP3plugs are the way to go. Pyle and Blaupunkt offer these and by now, probably many other brands. Shop around and don't hesitate to ask this forum for help.
I installed a Pyle in mine and works great, like everyone says go with mp3 input and sd cards and usb, more music with less hassle. The link to the thread is a great discussion on it also.
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