Portable Digital-to-analog Converter

1 . 1 : Perspective

1 . 2 : Perspective

1 . 3 : Front

1 . 4 : Back

1 . 5 : Left

1 . 6 : Right

1 . 7 : Top

1 . 8 : Bottom

The claimed design is for a partial design and portions thereof which are represented with broken lines form no part of the claimed design. FIG. 1 . 1 is a front, right side, top perspective view of a portable digital-to-analog converter showing a new design; FIG. 1 . 2 is a front, right side, bottom perspective view thereof; FIG. 1 . 3 is a front view thereof; FIG. 1 . 4 is a rear view thereof; FIG. 1 . 5 is a left side view thereof; FIG. 1 . 6 is a right side view thereof; FIG. 1 . 7 is a top view thereof; and FIG. 1 . 8 is a bottom view thereof.