FIG. 1 is a front perspective view of a speaker in accordance with our new design;
FIG. 2 is rear perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a left side view thereof, the right side view being a mirror image.
The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design.