Playback device

FIG. 1 is a front view of a playback device, according to a first embodiment of our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is another perspective view thereof.

The broken lines, including broken line surface shading, illustrate portions of the article that form no part of the claimed design. The dot-dash-dot broken lines illustrate a boundary and form no part of the claimed design.