An ornamentaldesign for a speaker, as shown and described.
FIG. 1 is a perspective view of a speaker according to the invention.
FIG. 2 is a front view of the design according to the invention.
FIG. 3 is a rear view of the design according to the invention.
FIG. 4 is a right side view of the design according to the invention.
FIG. 5 is a left side view of the design according to the invention.
FIG. 6 is a top view of the design according to the invention.
FIG. 7 is a bottom view of the design according to the invention; and,
FIG. 8 is a cross-sectional view thereof taken along line 8-8 in FIG. 2, from which the internal mechanism is omitted.
The broken lines shown are included for the purpose of illustrating portions of the speaker. For example, a speaker grill on the front surface of the speaker is illustrated in broken lines.