“The sixth angel sounded. I heard a voice from the horns of the golden altar which is before God,”

Reading this verse in context

This page shows one verse on its own, which is rarely how it was written. Revelation 9 contains 21 verses, and the sentences either side usually decide what this one means. Read the whole chapter before you quote it.

Text: World English Bible, Protestant edition (engwebp), eBible.org — public domain.