FIG. 1 is a front, top, right perspective view of a speaker box showing my new design;
FIG. 2 is a rear, top, left perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof; and,
FIG. 6 is a right side elevational view thereof.
Portions in broken lines are for illustrative purpose only and form no part of the claimed design.