Barre chord
fret 4, E shape466644
A♭sus4 is the A♭ suspended 4 chord. Its notes are A♭, D♭ and E♭. It is the same chord as G♯sus4. The fourth replaces the third. Resolve it down to the third for a familiar release.
466644
x-11-13-13-14-11
Numbers show frets from the low E string to the high e string; x means don't play that string.
Every A♭, D♭ and E♭ on the first 12 frets. The filled dots are the root, A♭. Build your own shape from any nearby group.
Other A♭ chords
Other suspended 4 chords