FIG. 1 is a rear, left and bottom perspective view of a speaker box, showing my new design;
FIG. 2 is a front, top and 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 view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a rear, right and top perspective view thereof;
FIG. 10 is an enlarged view of the selected portion 10 in FIG. 1;
FIG. 11 is an enlarged view of the selected portion 11 in FIG. 1;
FIG. 12 is an enlarged view of the selected portion 12 in FIG. 3; and,
FIG. 13 is an enlarged view of the selected portion 13 in FIG. 3.
The broken lines in FIGS. 1, 3 and 10-13 shown encircling the enlarged detail views are for annotative purposes only, while all other broken lines are included for the purpose of illustrating portions of the speaker box; the broken lines form no part of the claimed design.