Connecting the optional wireless surround speakers

Connect each surround speaker to a wireless receiver

Set the L/R switch of each wireless receiver to the appropriate setting depending on the position of the speaker to which they are connected

Connect the wireless receivers to AC power sockets

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