Asus4
Triads · A root
Asus4
A suspended chord with the perfect 4th replacing the third. Creates tension.
0 st5 st7 st
Notes in Asus4
ARoot
D3rd
E5th
A is the reference pitch (A440). Very common in rock and pop — the vi chord in C major.
Identify the Chord Quality on A
Each chord below is played on A. Listen and identify whether you heard Asus4, Am, A7, or another quality — the hardest and most useful ear training skill.
Sus4 in All 12 Keys
Other Chords in A
Related Triads
About the Asus4 Chord
The Asus4 chord is a sus4 chord built on A. It contains the notes A, D, E — the root, third, and fifth.
A suspended chord with the perfect 4th replacing the third. Creates tension. Practising the Asus4 chord across different voicings and contexts builds the harmonic recognition that lets you identify it instantly in any musical setting — whether in a band mix, a recording, or a live performance.