Check the following:

• Verify that the subwoofer is turned on.
• Increase the subwoofer volume by pressing the volume button on the remote control of the subwoofer sound system.
• Confirm that the subwoofer and the TV are linked. For more details, refer to the manual supplied with the subwoofer.
• Place the subwoofer where there are no obstacles, such as furniture, walls, or metal objects between the soundbar / home theater system and subwoofer.
• The sound output from subwoofer and/or from surround speaker depends on the playback content type:
  • To confirm the subwoofer output, play music tracks with some bass lines and drum sequences.
  • To confirm the surround speaker, play movies encoded in multichannel sound (can be identified by the 5.1 or 7.1 indication within the soundtrack information).
• If your wireless router or access point can switch between 2.4 GHz and 5 GHz frequency bands, change the frequency to avoid interference. For more details, refer to the manual supplied with the router.

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