A#7sus2 chord
A# dominant seventh suspended second
<
1 / 5
>G
F#
G
G#b7
A
A#
B
C
C#
D
D#
E
F
F#
G
G#
C
C2
C#
D
D#
E
F
F#
G
G#
A
A#
B
C
C
E
D#
E
F5
F#
G
G#
A
A#
B
C
C#
D
D#
E
F
A
G#
A
A#1
B
C
C#
D
D#
E
F
F#
G
G#
A
A#
3
5
7
10
The A#7sus2 chord has the formula 1, 2, 5, b7 with notes A#, C, F, G#
The seventh suspended second chord is a variation of the suspended second chord, meaning that it does not have a third and sounds open. This chord can be used to prepare for a resolution up toward a third.