angels
( See Scofield) - (Hebrews 1:4).
trumpets
These are trumpets of angels; contrast "the trump of God" (1 Thessalonians 4:16); (1 Corinthians 15:52); (Joel 2:1); (Amos 3:6).
Related Commentaries of Revelation 8:2
Revelation 8:2
2 And I saw the seven angels which stood before God; and to them were given seven trumpets.