It picks up all low-pitched noise, and so it should be used in quiet circumstances, on your own.
They also emit a low-pitched booming noise when the neck is at maximum inflation and snap their bills open and shut.
It was a soft, low-pitched noise, rather like a cork coming out of a wine bottle.
And there can be no doubt that the low-pitched noise of a handsaw is less disturbing than the high-pitched scream of a power saw.
Another low-pitched noise rolled through the building; the candle flames shivered.
"All I can hear is very low-pitched noises."
Suddenly, a powerful bluish beam of light appears out in the field accompanied by a low-pitched humming noise.
There was a central table supporting several large objects from which emanated a low-pitched continuous noise.
Loud, low-pitched noise can travel immense distances through water, often reaching halfway around the world from its source, and spreading and reverberating in all directions.
Domo can only communicate by producing a low-pitched noise which sounds somewhat like his own name, but other characters appear to understand him.