Cherubim: Sound of Their Wings Was As the Voice of God
Source: TTT
Ezekiel 1:24
When the creatures moved, I heard the sound of their wings like the roar of many waters, like the voice of the Almighty, like the tumult of an army. When they stood still, they lowered their wings.
Ezekiel 10:5
The sound of the wings of the cherubim could be heard as far as the outer court, like the voice of God Almighty when He speaks.