The A suspended second chord (abbreviated "Asus2 chord") is a triad consisting of the notes A, B, and E. The chord is formed by replacing the third of a A major chord with a major second.

Name
A suspended second chord
Notes
A B E
Intervals
1 2 5
Chord symbol
Asus2
Alternative symbol
A(sus2)
Type
Triad (three-note chord)

Asus2 chord on piano

Asus2 chord on guitar

Asus2 chord on ukulele

Asus2 chord on the staff