The ornamental design for a power and audioadapterbox, as shown and described.
FIG. 1 is an isometric, upper front view of the power and audio adapter box according to the present design;
FIG. 2 is a bottom view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a left side view thereof; and,
FIG. 8 is an isometric, upper front view thereof, showing locations of connector sockets to be attached to openings in the front surface and a gland on a side surface of the box.
Broken lines in FIGS. 1-8 indicate the bounds of the claimed design and unclaimed subject matter. Elements shown in broken lines form no part of the claimed design.