Hebrews 12:19

and the sound of a trumpet, and the voice of words, which they who heard, earnestly begged that the discourse might not be directed 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

For the Lord himself shall descend from heaven with a shout, with the voice of the archangel, and with the 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
For the Lord himself shall descend from heaven with a shout, with the voice of the archangel, and with the trumpet of God; and the dead in Christ shall rise first: