Why is there a high pitched whistle when the charger is plugged into a USB port on an adjustable bed frame “base station” and the phone won't charge (I took out the
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High Precision Real-time Audio Analyser (audio Testing, Sound Level Meter, Oscilloscope) Noise Meter Rta-168b - Air Conditioner Parts - AliExpress
Why is there a high pitched whistle when the charger is plugged into a USB port on an adjustable bed frame “base station” and the phone won't charge (I took out the
![just bought the logitech pro X and when I use the USB dongle I hear a high pitch static sound and when I use the audio cables it disappears, tried multiple ports just bought the logitech pro X and when I use the USB dongle I hear a high pitch static sound and when I use the audio cables it disappears, tried multiple ports](https://preview.redd.it/just-bought-the-logitech-pro-x-and-when-i-use-the-usb-v0-g2y83nfo7c8a1.jpg?width=640&crop=smart&auto=webp&s=2c97ebc712f7e5e702359dc229cde23761a9ef38)
just bought the logitech pro X and when I use the USB dongle I hear a high pitch static sound and when I use the audio cables it disappears, tried multiple ports
![Computer Audio Design's new USB Control: the simple, affordable solution to high frequency noise | David Denyer PR | The hi-fi specialist Computer Audio Design's new USB Control: the simple, affordable solution to high frequency noise | David Denyer PR | The hi-fi specialist](https://daviddenyerpr.files.wordpress.com/2023/01/cad-3772.jpg)