John 12:28-29

Father, honor your name [in all this].'" Then a voice came out of heaven, saying, "I have honored it, and I will honor it again."

Hebrews 12:18-19

[Unlike the Israelites at Mount Sinai] you [Christians] have not come to a mountain that can be touched and that burned with fire [See Ex. 19:12, 16-19; 20:18-21; Deut. 4:11]; to [a place of] darkness, gloom and wind;

Revelation 10:3-4

and he called out in a loud voice, like a roaring lion. And when he shouted, the seven thunders responded to the voice [of the angel]. [Note: These "seven thunders" have not been previously mentioned].

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, honor your name [in all this].'" Then a voice came out of heaven, saying, "I have honored it, and I will honor it again."
Hebrews 12:18
[Unlike the Israelites at Mount Sinai] you [Christians] have not come to a mountain that can be touched and that burned with fire [See Ex. 19:12, 16-19; 20:18-21; Deut. 4:11]; to [a place of] darkness, gloom and wind;
Revelation 10:3
and he called out in a loud voice, like a roaring lion. And when he shouted, the seven thunders responded to the voice [of the angel]. [Note: These "seven thunders" have not been previously mentioned].