There is a hum coming from the speaker May 17, 2024 11:35 Updated Ensure that all cable connections are secure, particularly ground/shield connections for turntables. Related articles There is unwanted background noise and interference There is no sound Why does my CXA61/81/81 Mk II go into protection mode and shows 4 flashing lights? How can I disable the Auto Power Down feature on the CXA61/81/81 Mk II? There is unwanted background noise and interference