The ornamental design for a speakergrille, as shown and described.
FIG. 1 is an enlarged front elevation view of a speaker grille showing our new design;
FIG. 2 is a perspective view thereof, shown in its first environmental use;
FIG. 3 is a perspective view thereof, shown in its second environmental use;
FIG. 4 is a perspective view thereof, shown in its third environmental use;
FIG. 5 is a perspective view thereof, shown in its fourth environmental use; and,
FIG. 6 is a perspective view thereof, shown in its fifth environmental use.
The broken lines in FIG. 1 represent indeterminate length of the claimed design. All other broken lines in FIGS. 2-6 indicate environment and are for illustrative purpose only. None of the broken lines form part of the claimed design.