The ornamental design for a wireless alarmclockspeaker, as shown and described.
FIG. 1 is a perspective view of a wireless alarm clock speaker showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side view thereof, the right side view being a mirror image of FIG. 5;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines in the figures are for the purpose of illustrating portions of the wireless alarm clock speaker, that form no part of the claimed design.