Car Audio Adapter

FIG. 1 is a front, right, top perspective view of a car audio adapter showing my new design; FIG. 2 is a rear, left, bottom perspective view thereof; FIG. 3 is a front, right, bottom perspective view thereof; FIG. 4 is a front elevation view thereof; FIG. 5 is a rear elevation view thereof; FIG. 6 is a left-side elevation view thereof; FIG. 7 is a right-side elevation view thereof; FIG. 8 is a top plan view thereof; and, FIG. 9 is a bottom plan view thereof. The broken lines shown in the drawings depict portions of the car audio adapter that form no part of the claimed design.