When I turn on the LED light, there is a high frequency sound, so what's the problem?



led-lighting high-frequency-sound

When I turn on the LED light, there is a high frequency sound, so what's the problem?

Or is it a characteristic of the original LED lighting?


2887 2016-06-28 Gentleman

A. 1

No. I use LEDs at home, but I haven't seen such a phenomenon.


Gentleman 8 years ago 0

A. 2

I think there is something wrong with the SMPS (Switching Mode Power Supply).


Gentleman 8 years ago 0


© 2013-2025 LifeQnA. All rights reserved.