C7sus4♭9 8-string bass chord

How to play C7sus4♭9 on 8-string bass

The most common way, the first shape above: lay your index finger flat across the three strings from the B to the A at the 1st fret and your middle finger on the C string at the 1st fret. Let the G and F strings ring open. Don’t play the F♯ and D strings.

From the F♯ string x 1 1 1 x 0 1 0 (x: not played, 0: open)

What notes are in C7sus4♭9?

C7sus4♭9, C seventh suspended fourth flat nine, is C, F, G, B♭ and D♭: the root (C), the perfect fourth (F), the perfect fifth (G), the minor seventh (B♭) and the flat ninth (D♭). Its formula is 1 4 5 ♭7 ♭9.