The ornamental design for a combined external directionalsounddome reflector and deflector for motor vehicle speaker enclosure, as shown and described.
FIG. 1 is a perspective view of a combined external directional sound dome
reflector and deflector for motor vehicle speaker enclosure showing my new
design;
FIG. 2 is a top elevational plan view thereof; and,
FIG. 3 is a bottom elevational plan view thereof.
The broken line representing the "sound speaker" in FIGS. 1 is for
illustrative purposes only and forms no part of the claimed design.