The E♭ Suspended 4th chord is a three-note chord made up of E♭, A♭, and B♭. It is built from a root, perfect fourth, and perfect fifth.
Construction
| Note | Interval | Degree |
|---|---|---|
| E♭ | Root | 1 |
| A♭ | Perfect 4th | 4 |
| B♭ | Perfect 5th | 5 |
E♭ Suspended 4th Inversions


| Position | Notes |
|---|---|
| Root Position | E♭ – A♭ – B♭ |
| 1st Inversion | A♭ – B♭ – E♭ |
| 2nd Inversion | B♭ – E♭ – A♭ |
Key Signature
A Suspended 4th chord is built from symmetrical or ambiguous intervals, so it doesn’t belong to a single key and has no key signature of its own.
Same Notes, Other Names
The notes E♭ – A♭ – B♭ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell: