I just finished installing the X920BT in my 2001 Subaru Forester and I put the MIC on the upper center console just above the rear view mirror.
I guess I would not call the BT speakerphone audio quality really bad, just that it could be a lot better. My friends refer to it as "Sounding like I was in a box or like I had a cold". This is also the same as they sound to me. We could understand each other fine and I could talk at a normal level, but we just sounded very bass like and muffled. This could be the quality of my LG phones' Bluetooth!
Voice recognition is not very good but I wa