Audio speaker

FIG. 1 is a perspective view of a audio speaker showing the new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top side view thereof;

FIG. 5 is a bottom side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines show portions of the audio speaker that form no part of the claimed design.