The ornamental design for a protectivecover for audiolistening system, as shown and described.
FIG. 1 is a top perspective view of a protective cover for audio listening system showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a top perspective view of a second embodiment of a protective cover for audio listening system showing our new design;
FIG. 9 is a front view thereof;
FIG. 10 is a rear view thereof;
FIG. 11 is a right side view thereof;
FIG. 12 is a left side view thereof;
FIG. 13 is a top view thereof; and,
FIG. 14 is a bottom view thereof.
The dashed broken lines in the figures show portions of the protective cover for audio listening system or environment that form no part of the claimed design. The dot-dash broken lines in the figures show boundaries that form no part of the claimed design.