You can go to the document in the following link for detailed info on the Audio System. I am also posting two pictures out of that document that show the number and location of the speakers in the E70 (both standard audio and premium audio).
http://www.xoutpost.com/pdf/e70/07b_E...%20Systems.pdf
STANDARD AUDIO (12 SPEAKERS)
PREMIUM AUDIO (16 SPEAKERS)
