A# m9 Chord on 4-String Bass
Play A# m9 on 4-String Bass: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.
The A# m9 chord is a minor extended chord that stacks higher tensions over a minor-seventh foundation. It is built from the notes A#, C, C#, F, G#. This page shows how to play A# m9 on 4-String Bass with clear fretboard diagrams and suggested finger positions.
The lowest shape sits at fret 3 and spans 4 frets, with no open strings in it. A# falls on the E string. It sounds from A#1 up to C#3.
4-String Bass is tuned E–A–D–G, with 15 frets to work with.
Browse alternate voicings to find the one that sits best under your fingers, then compare it with the other chord types built on A# or explore the same shape in nearby keys. The diagrams list the notes in each voicing so you can connect the shape to the theory behind it.