No evidence that Paul had this image specifically in view when he wrote to the Church of predominately former gentiles at Thessalonica (Acts 17:4). It was also used as a general announcement of one of seeming importance (cf. Matt. 6:2).
But I think its more likely that it is a reference to the trumpet sounds of Exodus 20:18 where the LXX utilizes the same Greek word to indicate the presence of God to the people.
Would it be your contention that the angels will be utilizing instruments constructed from parts of animal carcasses?
Orshalom b'SHEM Yah'shua HaMashiach Adonai
NAU Exodus 19:16 So it came about on the third day,
when it was morning, that there were thunder and lightning flashes and a
thick cloud upon the mountain and a very loud trumpet sound, so that all
the people who were in the camp trembled.