The A sus2 Chord Explained
A suspended second is a Suspended chord built from the notes A, B, and E. Its root is A, and its interval number formula is 1–2–5. In interval names, that gives you the root, major second, and perfect fifth. Because it does not include a third, this chord sounds open and unresolved rather than clearly major or minor. You may also see it written as Asus2, A sus 2, or A suspended 2nd. If you want to understand how these note distances create the chord, chord intervals are a helpful place to start. The widget above lets you see and hear A, B, and E together in root position.
A sus2 Alternate Names
- Asus2
- A sus 2
- A suspended 2nd
A sus2 Chord Notes
A sus2 Chord Formula
A sus2 Chord Notation
How To Use A sus2 In Music
Often, A suspended second has a bright, airy, and gentle sound that can feel calm, reflective, or expectant. Since the third is missing, it leaves the mood a little undecided, and that makes it useful for creating motion in a progression. For example, it can move from I to IV in A major as Asus2–D–E–A, or appear as I in a softer loop such as Asus2–F#m–D–E. It can also be used in a suspended color change beside major and minor chords, where the surrounding harmony shapes whether it feels peaceful, uplifting, or tense before release. If you are new to suspended harmony, this overview of suspended chords can help connect the sound to the idea.
A sus2 Chord Inversions
Another useful idea is inversion, which means playing the same chord notes in a different order so a note other than the root is the lowest pitch. For A suspended second, root position is A–B–E, while inversions can place B in the bass as B–E–A or E in the bass as E–A–B. These versions still contain the same three notes, but they can change the feel: a B bass can sound slightly more unsettled, while an E bass can feel wider and more grounded. Musicians use inversions to create smoother bass movement, connect chords more easily, and give a progression a different color without changing the basic chord quality.
