Sony KDP-57XBR2 Operating Instructions Manual page 19

Setting Up the Projection TV
Installation
For optimum surround sound effect, mount the rear speakers in the
following places (as shown in the illustration):
On a wall or table, as high as the listener's ears.
Projection TV Rear speaker
(Rear of projection TV)
Left rear []
speaker
i
i
I-IRightrear
speaker
12