The ornamental design for a remotespeakermicrophone, as shown and described.
FIG. 1 is a front perspective view of a remote speaker microphone, showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a first side view thereof;
FIG. 5 is a second side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines shown in FIGS. 1-7, that are immediately adjacent to the shaded areas, and define the unshaded regions, are for the purposes of illustrating portions of the remote speaker microphone that form no part of the claimed design.