The ornamental design for a combinationsirencontroller and microphone, as shown and described.
FIG. 1 is a top front perspective view of a combination siren controller and microphone, showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines showing a cord and a rectangular connector interconnecting the cord and the combination siren controller and microphone depicts environmental subject matter that forms no part of the claimed design, while the remaining broken lines shown in the drawings depict portions of the combination siren controller and microphone that form no part of the claimed design.