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A# m7b9 Chord on 4-String Bass

Play A# m7b9 on 4-String Bass: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.

A# m7b9 chord diagram, starting at fret 2. Strings low to high: E 6th fret, A 2nd fret, D 6th fret, G 6th fret.

The A# m7b9 chord is a m7b9 chord. It is built from the notes A#, B, C#, F, G#. This page shows how to play A# m7b9 on 4-String Bass with clear fretboard diagrams and suggested finger positions.

The lowest shape sits at fret 2 and spans 5 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.