FIG. 1 is a front, top left side perspective view of a first embodiment of an audio device, embodying our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a front elevation view of a second embodiment of an audio device, embodying our new design;
FIG. 9 is a rear elevation view thereof;
FIG. 10 is a left side elevation view thereof;
FIG. 11 is a right side elevation view thereof; and,
FIG. 12 is a bottom plan view thereof.
The top plan view of the second embodiment is the same as FIG. 6.
The dot-dot-dash broken lines seen on the front of the claimed design in both embodiments indicate a repeated pattern while all other broken lines are included for the purpose of illustrating the unclaimed portions of the audio device; the broken lines form no part of the claimed design.