Sound bar

FIG. 1 is a top, front, right perspective view of a sound bar showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view and a right side view is omitted because it is a symmetrical to the left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view.

The broken lines indicate portions of the article that form no part of the claimed design.