To resync the included wireless subwoofer with your Polk Omni SB1 sound bar, do the following:
1. Turn off the subwoofer via the switch on its back panel.
2. Make sure that the sound bar is on.
3. Using a paperclip, press and hold the Sync button located on the back of the sound bar for 10 seconds then release the button.
4. Turn on the subwoofer.
5. If paired, the flashing green light on the front of the bar will no longer display and there will be two solid green lights on the back of the subwoofer.