A:Answer Sonos Support:
Since you have a warranty, contact Sonos customer support for further assistance. Explain the issue in detail and mention the troubleshooting steps you've already taken. They might offer additional troubleshooting steps or arrange for a replacement if necessary.
Warranty Claim:
If Sonos support determines that the subwoofer is defective and still under warranty, they will guide you through the process of a replacement or repair.
By following these steps, you should be able to resolve the issue or get further assistance from Sonos support. Find out more at support.sonos.com