Parallel
Revelation 8:6
Patriarchal Greek New Testament (1904) · Berean Standard Bible
Καὶ οἱ ἑπτὰ ἄγγελοι οἱ ἔχοντες τὰς ἑπτὰ σάλπιγγας ἡτοίμασαν ἑαυτοὺς ἵνα σαλπίσωσι.
And the seven angels with the seven trumpets prepared to sound them.