A:Answer Hi Silverback. We're sorry to hear that you are having troubles with the subwoofer of your soundbar. Kindly try the steps in the link in order for them to work: https://us.en.kb.sony.com/app/answers/detail/a_id/40549/p/41901,44406,92955,95570/c/65,66/kw/how%20to%20link%20subwoofer
https://us.en.kb.sony.com/app/answers/detail/a_id/44934/p/41901,44406,92955,95570/c/65,66/kw/how%20to%20link%20subwoofer
Regards, -Mark