Connect each surround speaker to a wireless receiver
Connecting the optional wireless surround speakers
Set the L/R switch of each wireless receiver to the appropriate setting depending on the position of the speaker they are connected to
Connect the wireless receivers to AC power outlets
In the Bose Music app, from the My Bose screen (accessible via the headphone and speaker icon in the upper-left corner), select your soundbar
Tap the soundbar image in the bottom-right corner of the screen
Tap Settings > Accessory Speakers > Add Bose Accessory Speakers
Follow the app instructions