D7sus4♭9 7-string bass chord

How to play D7sus4♭9 on 7-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 3rd fret and your middle finger on the C string at the 3rd fret. Let the D and G strings ring open. Don’t play the F string.

From the B string 3 3 3 0 0 3 x (x: not played, 0: open)

What notes are in D7sus4♭9?

D7sus4♭9, D seventh suspended fourth flat nine, is D, G, A, C and E♭: the root (D), the perfect fourth (G), the perfect fifth (A), the minor seventh (C) and the flat ninth (E♭). Its formula is 1 4 5 ♭7 ♭9.