Am9 8-string bass chord

How to play Am9 on 8-string bass

The most common way, the first shape above: your ring finger on the E string at the 5th fret, your index finger on the A string at the 3rd fret, your little finger on the D string at the 5th fret, your middle finger on the G string at the 4th fret, your middle finger on the C string at the 4th fret and your middle finger on the F string at the 4th fret. Don’t play the F♯ and B strings.

From the F♯ string x x 5 3 5 4 4 4 (x: not played, 0: open)

What notes are in Am9?

Am9, A minor ninth, is A, C, E, G and B: the root (A), the minor third (C), the perfect fifth (E), the minor seventh (G) and the ninth (B). Its formula is 1 ♭3 5 ♭7 9.