# How to play A dominant 7th flat 9th / C♯ (1st inversion) chord on guitar — Shape 9a80a0 | Guitar Wiz

> Learn how to play the A dominant 7th flat 9th / C♯ (1st inversion) chord on guitar (Shape 9a80a0). Follow our step-by-step finger placement instructions to master this fretboard shape. Place the 1st finger on the 8th fret of the 4th string.

Source: https://guitarwiz.app/chords/a-dominant-7th-flat-9th/c-sharp/9a80a0

## Chord Facts

- Canonical chord: A dominant 7th flat 9th
- Display name: A7♭9/C♯
- Notes: A, C♯, E, G, B♭
- Intervals: 1 (A), 3 (C♯), 5 (E), ♭7 (G), ♭9 (B♭)

## How To Play This Shape

- Place the 1st finger on the 8th fret of the 4th string
- Place the 2nd finger on the 9th fret of the 6th string
- Place the 3rd finger on the 10th fret of the 5th string
- Place the 4th finger on the 10th fret of the 2nd string

## Other Resources

- Parent chord page: https://guitarwiz.app/chords/a-dominant-7th-flat-9th/c-sharp/
- Chord library: https://guitarwiz.app/chords