FIG. 1 is a perspective view of a loudspeaker comprising a first embodiment of the ornamental design of the present invention;
FIG. 2 is a front view of the loudspeaker of FIG. 1;
FIG. 3 is a side view of the loudspeaker of FIG. 1;
FIG. 4 is a rear view of the loudspeaker of FIG. 1;
FIG. 5 is an opposite side view of the loudspeaker of FIG. 1;
FIG. 6 is a top view of the loudspeaker of FIG. 1;
FIG. 7 is a bottom view of the loudspeaker of FIG. 1;
FIG. 8 is a perspective view of a loudspeaker comprising a second embodiment of the ornamental design of the present invention;
FIG. 9 is a front view of the loudspeaker of FIG. 8;
FIG. 10 is a side view of the loudspeaker of FIG. 8;
FIG. 11 is a rear view of the loudspeaker of FIG. 8;
FIG. 12 is an opposite side view of the loudspeaker of FIG. 8;
FIG. 13 is a top view of the loudspeaker of FIG. 8; and,
FIG. 14 is a bottom view of the loudspeaker of FIG. 8.