The A-sharp suspended fourth chord (abbreviated "A#sus4 chord") is a triad consisting of the notes A, D, and E. The chord is formed by replacing the third of a A-sharp major chord with a perfect fourth.

Name
A-sharp suspended fourth chord
Notes
A D E
Intervals
1 4 5
Chord symbol
Asus4
Alternative symbols
A(sus4) Asus
Type
Triad (three-note chord)

A#sus4 chord on piano

A#sus4 chord on guitar

A#sus4 chord on ukulele

A#sus4 chord on the staff