Bass · suspended fourth
A♭sus4 Chord on Bass
Ab Suspended 4th is Ab, Db, Eb — the 1-4-5 pattern of a suspended fourth chord. Here is the shape, the audio, and what usually goes wrong.
There is no open Absus4 on bass. The one shape below sits up the neck and is rated intermediate.
Start here — Root-4-5 Shape (4th fret)
Fingered low on the neck with no barre — a useful middle step between the open shape and the movable ones.
What beginners get wrong
Moving in and out of it
The shape above: Root-4-5 Shape (4th fret).
Listening: each shape above has its own play button, and each one plays the notes that shape actually produces — not a generic triad.
Absus4 on other instruments
Same notes, different hands. Every link below is a real page with diagrams and audio.
Chords next door
Same root, different colour — and all of them playable on bass.
Absus4 on Bass — questions people ask
What is the easiest way to play Absus4 on bass?
“Root-4-5 Shape (4th fret)” — which we rate intermediate — is the easiest Absus4 shape on bass. Fingered low on the neck with no barre — a useful middle step between the open shape and the movable ones. There is no open Absus4 on bass, so a barre is unavoidable; this is the least demanding one.
What notes are in the Ab Suspended 4th chord?
Ab Suspended 4th is Ab, Db, Eb — the 1-4-5 interval pattern of a suspended fourth chord. Every voicing on this page uses those notes and nothing else; they just appear in a different order and octave.
What can I play instead of Absus4?
The nearest stand-ins on bass that keep the same root are Ab5, Absus2, Ab6. They keep the root and the fifth and only change what sits in the middle, so most songs still work — but check the swap against the melody, because the note you removed may be the one the tune is singing.
Can I play Absus4 on other instruments?
Yes. Absus4 is the same set of notes everywhere; only the fingering changes. This site has diagrams and audio for it on guitar, piano, ukulele, mandolin, banjo.
Learn the theory behind Absus4
The shape gets your fingers there. These explain why it sounds the way it does.
Chord Inversions and Slash Chords — Same Notes, Different Attitude
Suspending or adding a tone is a voicing decision, the same kind as an inversion or a slash chord.
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Chord Progressions Explained
These chords earn their keep inside a progression, leaning on the plain chord that follows.
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Intervals — The Only Music Theory You Actually Need
Which degree got swapped in, and what that one interval changes.
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