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Hello,

I have connected the powersupply to a sole AC socket and the noise is still there.
I also made a connection to another wall socket with an extention cord, but the result is the same.
It...

Hello, thx for your very fast reaction:)
The PSU is connected to my GHL 5.1 powerbar

Hello,
I am using 2 mitras LB2 110 cm (70 watt) lightbars with a 150 watt PSU.
The PSU is making a singing noise
Is that normal?