Bible Verses About Trumpet: Made of ram's horn

Seven priests shall bear seven shofars of rams’ horns before the ark. On the seventh day, you shall march around the city seven times, and the priests shall blow the shofars.

It shall be that when they make a long blast with the ram’s horn, and when you hear the sound of the shofar, all the people shall shout with a great shout; and the wall of the city shall fall down flat, and the people shall go up every man straight before him.”

Joshua the son of Nun called the priests, and said to them, “Take up the ark of the covenant, and let seven priests bear seven shofars of rams’ horns before the LORD’s ark.”

It was so, that when Joshua had spoken to the people, the seven priests bearing the seven shofars of rams’ horns before the LORD advanced, and blew the shofars; and the ark of the covenant of the LORD followed them.

The seven priests bearing the seven shofars of rams’ horns before the LORD’s ark went on continually, and blew the shofars: and the armed men went before them. The rear guard came after the LORD’s ark. The shofars sounded as they went.