The ornamental design for a loudspeakerdevice, as shown and described.
FIG. 1 is a perspective view of a loudspeaker device showing my design.
FIG. 2 is a front elevational view thereof.
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a left-side elevational view thereof.
FIG. 5 is a right-side elevational view thereof.
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Each break in the figures along the body of the loudspeaker device indicates that the loudspeaker device can be of any length. Those breaks are provided for illustrative purposes only, and the breaks form no part of the claimed design. The portions between these break lines form no part of the claimed design.
The broken lines are for illustrative purposes only and form no part of the claimed designs.