John 12:28-29

Father, glorify thy name. Then came a voice from heaven, I have both glorified and will glorify it again.

Hebrews 12:18-19

For you have not come to a mountain that may be touched, and to a burning fire, and blackness and darkness and a tempest

Revelation 10:3-4

and cried with a loud voice, as a lion roars. And when he cried, seven thunders spoke their words.

Treasury of Scripture Knowledge

Summary

And the sound of the cherubims' wings was heard even to the outer court, as the voice of the Almighty God when he speaketh.

Bible References

The voice

John 12:28
Father, glorify thy name. Then came a voice from heaven, I have both glorified and will glorify it again.
Hebrews 12:18
For you have not come to a mountain that may be touched, and to a burning fire, and blackness and darkness and a tempest
Revelation 10:3
and cried with a loud voice, as a lion roars. And when he cried, seven thunders spoke their words.