Sony SU-PW3M Mode D'emploi page 17

Wall processing dimensions diagram
Unit: mm (inches)
ø 75 (3)
Hole for cable routing
670 (26 3/8)
610 (24)
455 (17 15/16)
406 (16)
20 – 9 × 20 (23/64 × 5/6)
Slot hole
13.5
(17/32)
17
(US)