Qu-sb noise

[Alstartheman]

Just got my qu-sb
Want to use it for both recording and gigging.
Just noticed that after plugging in the power supply I hear a high pitched sound/ some buzzing at the back left of the device.
Of course most devices have some noise, just wanted to checked if this is normal?

[KeithJ A&H]

@Alstartheman

The Qu-SB uses a switch mode power supply and these can sometimes produce a small amount of audible noise, so whether or not to be concerned depends on what kind of noise, how loud it is and whether you are connecting to a known good power source (with correct earthing). It’s best to contact your local distributor if you do have concerns (https://www.allen-heath.com/community/distributors/) as they would be able to confirm an issue if there is one, and get it sorted for you.

Thanks,
Keith.

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