Homebase 2 noise

The speaker on my Homebase 2 started making this “puh puh puh puh” sound this week. It’s not loud but when the room is quiet, I can hear it. Naturally when I powered off or unplug the Homebase, the noise goes away. What’s going on here?

Send the symptom details and HomeBase 2 (T8010) serial number to support@eufylife.com

I have the same noise!