FIG. 1 is a perspective view of a audio adapter plate for an automobile radio, showing the new design;

FIG. 2 is a right-side elevational view thereof, the left-side elevational view being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

FIGS. 2 and 3 are on an enlarged scale and FIG. 1 is on a reduced scale.

The broken lines showing a radio in FIG. 1 are included for the purpose of illustrating the invention in use, and form no part of the claimed design.