Sony DAV-TZ215 Operating Instructions Manual page 21

3
Fasten the screws to the wall, then hang the speaker on the wall.
Depth of fastened screw
8 to 10 mm
For the tall speakers (DAV-TZ715 only)
For the center speaker
145 mm
101.6 mm
For the small speakers (DAV-TZ215 only)
21
GB