Vizio S3820w-C0NA Guide De Démarrage Rapide page 16

WALL MOUNTING THE SOUND BAR
1
Back of Sound Bar
2
Insert and tighten two Wall-Mount Screws with a Phillips-head
screwdriver into the Wall-Mount Screw Holes.
Place the included wall mounting template against the wall
under your TV. Mark the four bracket holes using a pencil.
Wall-Mount
Screw Holes