FIG. 1 is a front elevational view of a speaker, showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right-side elevational view thereof;
FIG. 4 is a left-side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front, right-side, top perspective view thereof;
FIG. 8 is a rear, left-side, top perspective view thereof;
FIG. 9 is a front, right-side, bottom perspective view thereof; and,
FIG. 10 is a cross-sectional view thereof taken along line 10-10 in FIG. 1.
The dot-dash broken lines immediately adjacent to the claimed areas in the views represent the boundaries of the design and form no part thereof. The broken lines in the figures illustrate the portions of the design that form no part of the claimed design. None of the broken lines form any part of the claimed design.