New International Version
After this I looked, and there before me was a door standing open in heaven. And the voice I had first heard speaking to me like a trumpet said, "Come up here, and I will show you what must take place after this."

American Standard Version
After these things I saw, and behold, a door opened in heaven, and the first voice that I heard, a voice as of a trumpet speaking with me, one saying, Come up hither, and I will show thee the things which must come to pass hereafter.

Berean Study Bible
After this I looked and saw a door standing open in heaven. And the voice I had previously heard speak to me like a trumpet was saying, “Come up here, and I will show you what must happen after these things.”

Douay-Rheims Bible
After these things I looked, and behold a door was opened in heaven, and the first voice which I heard, as it were, of a trumpet speaking with me, said: Come up hither, and I will shew thee the things which must be done hereafter.

English Revised Version
After these things I saw, and behold, a door opened in heaven, and the first voice which I heard, a voice as of a trumpet speaking with me, one saying, Come up hither, and I will shew thee the things which must come to pass hereafter.

King James Bible
After this I looked, and, behold, a door was opened in heaven: and the first voice which I heard was as it were of a trumpet talking with me; which said, Come up hither, and I will shew thee things which must be hereafter.

World English Bible
After these things I looked and saw a door opened in heaven, and the first voice that I heard, like a trumpet speaking with me, was one saying, "Come up here, and I will show you the things which must happen after this."

Young's Literal Translation
After these things I saw, and lo, a door opened in the heaven, and the first voice that I heard is as of a trumpet speaking with me, saying, 'Come up hither, and I will shew thee what it behoveth to come to pass after these things;'

Revelation 4:1 Additional Translations ...