Are ultrasonic meant to sound like this?

[Niamh]

Hi everyone, I just brought a ultrasonic cleaner and the noise really freaks me out, its so loud and makes me worried it will blow up...
is it meant to sound like this?
Thanks
https://www.facebook.com/niamh.manley/videos/10219251992317473/

[Dennis]

No, it's ultrasonic. Depending on your acuity, you might hear a faint fizzing. Dennis