Hebrews 12:19

and the sound of a trumpet, and the voice of words; which voice those who heard entreated that no word more should be added to them;

1 Corinthians 15:52

in a moment, in the twinkling of an eye, at the last trump; for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed.

1 Thessalonians 4:16

because the Lord Himself will descend from Heaven, with a shout, with a voice of an archangel, and with a trumpet of God; and the dead in Christ shall rise first;

Treasury of Scripture Knowledge

Summary

And the sound of a trumpet, and the voice of words; which voice they that heard intreated that the word should not be spoken to them any more:

Bible References

The sound

1 Corinthians 15:52
in a moment, in the twinkling of an eye, at the last trump; for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed.
1 Thessalonians 4:16
because the Lord Himself will descend from Heaven, with a shout, with a voice of an archangel, and with a trumpet of God; and the dead in Christ shall rise first;