Where is the Quad C on the trumpet scale?

The Quad C on the Trumpet scale is typically referred to as the C above middle C, also known as the high C or C5. It is located two octaves above the C that is commonly used in the trumpet’s standard range. In terms of the trumpet's written scale, it is often notated as the second line in the treble clef. This note is significant for advanced players and is often used in various musical passages and exercises.