new ESC makes my motors hiss and hum. how???

so i got this ESC https://www.mboards.co/collections/escs/products/hobbywing-esc
when i turn it on, i start hearing some hissing and humming from my Direct Drive motors. you can hear it here in this vid: https://youtu.be/IvYb8xLkWQI

with my older Meepo ESC, i dont hear anything coming from the motors. had to change ESC because the Meepo ESC was stuck at 6mph. couldnt go any faster no matter what i did.

how can the Hobbywing ESC make my motors produce weird noises? did i get a defective ESC?

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:point_up:t2: weeelll there’s your problem

jokes as aside that is not good.

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Does the ESC function as intended, other than the noise at idle?

My backfire hobbywing makes a buzzing sound at idle through the motors. Its a good white noise machine to go to bed to.
Probably normal if its runs as expected.

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Yup, that’s normal.

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i hear this joke a lot. how did mboard get such a bad rep? lol

the ESC works so far. BUT
1- does not report battery level to the remote
2- very nasty acceleration. feels like it wants to throw me off the board

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thanks for the confirmation!