A 7 Chord on 4-String Bass

Play A 7 on 4-String Bass: diagrams, finger positions, intervals, and every voicing up and down the neck for this instrument.

A 7 chord diagram, starting at fret 1. Strings low to high: E muted, A open, D 2nd fret, G open.

The A 7 chord is a dominant seventh — a major triad with a flat seventh that pulls strongly toward resolution. It is built from the notes A, C#, E, G. This page shows how to play A 7 on 4-String Bass with clear fretboard diagrams and suggested finger positions.

The A and G strings ring open in the lowest shape, with the remaining notes fretted at fret 2. The E string stays silent, so 3 of 4 sound. The root is the A string itself. It sounds from A1 up to G2. 3 voicings are charted, the highest starting at fret 5.

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.