The low-string augmented barre at the 4th fret — G♯-C-E.
Index finger barres at the 4th fret; the A string is left unsounded
Load G♯ Augmented (G♯aug) onto an interactive fretboard, hear every note, and build it into a progression.
Play G♯aug in the Studio →A G♯ Augmented (G♯aug) chord contains the notes G#, C, E. It is built from the augmented formula 1 - 3 - ♯5, with G# as the root.
Yes — they contain the same three notes, so substituting one for the other changes the register and the top note but not the harmony. If a progression calls for Caug and the open shape sits too low against the melody, this grip at the 4th fret is a direct swap that keeps the line where you want it.