The ornamental design for a soundabsorptionpanel, as shown and described.
FIG. 1 is a front perspective view of a sound absorption panel;
FIG. 2 is a side view of the sound absorption panel; and,
FIG. 3 is a rear perspective view of the sound absorption panel.
The broken lines in the Figures show portions of a sound absorption panel that form no part of the claimed design. The area between the sets of wavy broken lines forms no part of the claimed design.