FIG. 1 is a perspective view of a first embodiment of a speaker as seen from the front, top and right side;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a left side view thereof;
FIG. 8 is a perspective view of a second embodiment of a speaker as seen from the front, top and right side;
FIG. 9 is a front view thereof;
FIG. 10 is a back view thereof;
FIG. 11 is a top view thereof;
FIG. 12 is a bottom view thereof;
FIG. 13 is a right side view thereof;
FIG. 14 is a left side view thereof;
FIG. 15 is a perspective view of a third embodiment of a speaker as seen from the front, top and right side;
FIG. 16 is a front view thereof;
FIG. 17 is a back view thereof;
FIG. 18 is a top view thereof;
FIG. 19 is a bottom view thereof;
FIG. 20 is a right side view thereof;
FIG. 21 is a left side view thereof;
FIG. 22 is a perspective view of a fourth embodiment of a speaker as seen from the front, top and right side;
FIG. 23 is a front view thereof;
FIG. 24 is a back view thereof;
FIG. 25 is a top view thereof;
FIG. 26 is a bottom view thereof;
FIG. 27 is a right side view thereof; and,
FIG. 28 is a left side view thereof.
The dotted line portions of the drawings represent environmental structure only and do not form part of the claimed design.