Bible Verses About Trumpet: Made of ram's horn

Have seven priests carry seven rams’ horns in front of the ark. Then on the seventh day, march around the city seven times, while the priests blow the horns.

And when there is a long blast of the ram’s horn and you hear its sound, have all the people give a mighty shout. Then the wall of the city will collapse and all your people will charge straight into the city.”

So Joshua son of Nun summoned the priests and said, “Take up the ark of the covenant and have seven priests carry seven rams’ horns in front of the ark of the LORD.”

After Joshua had spoken to the people, seven priests carrying seven rams’ horns before the LORD advanced and blew the horns, and the ark of the covenant of the LORD followed them.

And the seven priests carrying seven rams’ horns kept marching ahead of the ark of the LORD and blowing the horns. The armed troops went in front of them and the rear guard followed the ark of the LORD, while the horns kept sounding.