Technics SB-G90M2E-K Mark 2 Owner's Manual page 11

Attaching the base plates
1 Remove the accessories.
≥ Remove the accessories from the styrofoam blocks, and place them in a location away from children.
2 Place the styrofoam blocks in an area suitable for work.
3 Remove the packaging box of the speaker net.
②
4 Place the speaker on the styrofoam blocks removed in Step 2.
≥ Keep the following points in mind when lifting up the speaker.
jHold the bottom so that your hands do not slip.
10 (010)
③
②
Leave the cardboard in place to
protect the speaker unit.